diff --git a/internal/cmd/generator/vm.go.tmpl b/internal/cmd/generator/vm.go.tmpl
index cf1ff39..17374ba 100644
--- a/internal/cmd/generator/vm.go.tmpl
+++ b/internal/cmd/generator/vm.go.tmpl
@@ -224,7 +224,7 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
 			store(ctxptr, c.Idx, uintptr(iface.ptr))
 			store(ctxptr, end.Idx, oldOffset)
 			store(ctxptr, end.ElemIdx, uintptr(unsafe.Pointer(code.Next)))
-			storeIndent(ctxptr, c, uintptr(oldBaseIndent))
+			storeIndent(ctxptr, end, uintptr(oldBaseIndent))
 			code = c
 		case encoder.OpInterfaceEnd:
 			offset := load(ctxptr, code.Idx)
@@ -533,7 +533,7 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
 			store(ctxptr, c.Idx, ptr)
 			store(ctxptr, c.End.Next.Idx, oldOffset)
 			store(ctxptr, c.End.Next.ElemIdx, uintptr(unsafe.Pointer(code.Next)))
-			storeIndent(ctxptr, c, uintptr(oldBaseIndent))
+			storeIndent(ctxptr, c.End.Next, uintptr(oldBaseIndent))
 			code = c
 			recursiveLevel++
 		case encoder.OpRecursiveEnd:
diff --git a/internal/encoder/vm/util.go b/internal/encoder/vm/util.go
index 7e358e2..c559447 100644
--- a/internal/encoder/vm/util.go
+++ b/internal/encoder/vm/util.go
@@ -123,39 +123,6 @@ func appendMapEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte
 	return b
 }
 
-func appendInterface(ctx *encoder.RuntimeContext, codeSet *encoder.OpcodeSet, _ *encoder.Opcode, b []byte, iface *emptyInterface, ptrOffset uintptr) ([]byte, error) {
-	ctx.KeepRefs = append(ctx.KeepRefs, unsafe.Pointer(iface))
-	ifaceCodeSet, err := encoder.CompileToGetCodeSet(uintptr(unsafe.Pointer(iface.typ)))
-	if err != nil {
-		return nil, err
-	}
-
-	totalLength := uintptr(codeSet.CodeLength)
-	nextTotalLength := uintptr(ifaceCodeSet.CodeLength)
-
-	curlen := uintptr(len(ctx.Ptrs))
-	offsetNum := ptrOffset / uintptrSize
-
-	newLen := offsetNum + totalLength + nextTotalLength
-	if curlen < newLen {
-		ctx.Ptrs = append(ctx.Ptrs, make([]uintptr, newLen-curlen)...)
-	}
-	oldPtrs := ctx.Ptrs
-
-	newPtrs := ctx.Ptrs[(ptrOffset+totalLength*uintptrSize)/uintptrSize:]
-	newPtrs[0] = uintptr(iface.ptr)
-
-	ctx.Ptrs = newPtrs
-
-	bb, err := Run(ctx, b, ifaceCodeSet)
-	if err != nil {
-		return nil, err
-	}
-
-	ctx.Ptrs = oldPtrs
-	return bb, nil
-}
-
 func appendMarshalJSON(ctx *encoder.RuntimeContext, code *encoder.Opcode, b []byte, v interface{}) ([]byte, error) {
 	return encoder.AppendMarshalJSON(ctx, code, b, v)
 }
diff --git a/internal/encoder/vm/vm.go b/internal/encoder/vm/vm.go
index cf1ff39..17374ba 100644
--- a/internal/encoder/vm/vm.go
+++ b/internal/encoder/vm/vm.go
@@ -224,7 +224,7 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
 			store(ctxptr, c.Idx, uintptr(iface.ptr))
 			store(ctxptr, end.Idx, oldOffset)
 			store(ctxptr, end.ElemIdx, uintptr(unsafe.Pointer(code.Next)))
-			storeIndent(ctxptr, c, uintptr(oldBaseIndent))
+			storeIndent(ctxptr, end, uintptr(oldBaseIndent))
 			code = c
 		case encoder.OpInterfaceEnd:
 			offset := load(ctxptr, code.Idx)
@@ -533,7 +533,7 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
 			store(ctxptr, c.Idx, ptr)
 			store(ctxptr, c.End.Next.Idx, oldOffset)
 			store(ctxptr, c.End.Next.ElemIdx, uintptr(unsafe.Pointer(code.Next)))
-			storeIndent(ctxptr, c, uintptr(oldBaseIndent))
+			storeIndent(ctxptr, c.End.Next, uintptr(oldBaseIndent))
 			code = c
 			recursiveLevel++
 		case encoder.OpRecursiveEnd:
diff --git a/internal/encoder/vm_color/util.go b/internal/encoder/vm_color/util.go
index 58dd9eb..516536d 100644
--- a/internal/encoder/vm_color/util.go
+++ b/internal/encoder/vm_color/util.go
@@ -176,39 +176,6 @@ func appendMapEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte
 	return b
 }
 
-func appendInterface(ctx *encoder.RuntimeContext, codeSet *encoder.OpcodeSet, _ *encoder.Opcode, b []byte, iface *emptyInterface, ptrOffset uintptr) ([]byte, error) {
-	ctx.KeepRefs = append(ctx.KeepRefs, unsafe.Pointer(iface))
-	ifaceCodeSet, err := encoder.CompileToGetCodeSet(uintptr(unsafe.Pointer(iface.typ)))
-	if err != nil {
-		return nil, err
-	}
-
-	totalLength := uintptr(codeSet.CodeLength)
-	nextTotalLength := uintptr(ifaceCodeSet.CodeLength)
-
-	curlen := uintptr(len(ctx.Ptrs))
-	offsetNum := ptrOffset / uintptrSize
-
-	newLen := offsetNum + totalLength + nextTotalLength
-	if curlen < newLen {
-		ctx.Ptrs = append(ctx.Ptrs, make([]uintptr, newLen-curlen)...)
-	}
-	oldPtrs := ctx.Ptrs
-
-	newPtrs := ctx.Ptrs[(ptrOffset+totalLength*uintptrSize)/uintptrSize:]
-	newPtrs[0] = uintptr(iface.ptr)
-
-	ctx.Ptrs = newPtrs
-
-	bb, err := Run(ctx, b, ifaceCodeSet)
-	if err != nil {
-		return nil, err
-	}
-
-	ctx.Ptrs = oldPtrs
-	return bb, nil
-}
-
 func appendMarshalJSON(ctx *encoder.RuntimeContext, code *encoder.Opcode, b []byte, v interface{}) ([]byte, error) {
 	return encoder.AppendMarshalJSON(ctx, code, b, v)
 }
diff --git a/internal/encoder/vm_color/vm.go b/internal/encoder/vm_color/vm.go
index d8b01b4..33bea71 100644
--- a/internal/encoder/vm_color/vm.go
+++ b/internal/encoder/vm_color/vm.go
@@ -224,7 +224,7 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
 			store(ctxptr, c.Idx, uintptr(iface.ptr))
 			store(ctxptr, end.Idx, oldOffset)
 			store(ctxptr, end.ElemIdx, uintptr(unsafe.Pointer(code.Next)))
-			storeIndent(ctxptr, c, uintptr(oldBaseIndent))
+			storeIndent(ctxptr, end, uintptr(oldBaseIndent))
 			code = c
 		case encoder.OpInterfaceEnd:
 			offset := load(ctxptr, code.Idx)
@@ -533,7 +533,7 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
 			store(ctxptr, c.Idx, ptr)
 			store(ctxptr, c.End.Next.Idx, oldOffset)
 			store(ctxptr, c.End.Next.ElemIdx, uintptr(unsafe.Pointer(code.Next)))
-			storeIndent(ctxptr, c, uintptr(oldBaseIndent))
+			storeIndent(ctxptr, c.End.Next, uintptr(oldBaseIndent))
 			code = c
 			recursiveLevel++
 		case encoder.OpRecursiveEnd:
diff --git a/internal/encoder/vm_color_indent/util.go b/internal/encoder/vm_color_indent/util.go
index 58f88e5..9f98781 100644
--- a/internal/encoder/vm_color_indent/util.go
+++ b/internal/encoder/vm_color_indent/util.go
@@ -163,43 +163,6 @@ func appendColon(_ *encoder.RuntimeContext, b []byte) []byte {
 	return append(b, ':', ' ')
 }
 
-func appendInterface(ctx *encoder.RuntimeContext, codeSet *encoder.OpcodeSet, code *encoder.Opcode, b []byte, iface *emptyInterface, ptrOffset uintptr) ([]byte, error) {
-	ctx.KeepRefs = append(ctx.KeepRefs, unsafe.Pointer(iface))
-	ifaceCodeSet, err := encoder.CompileToGetCodeSet(uintptr(unsafe.Pointer(iface.typ)))
-	if err != nil {
-		return nil, err
-	}
-
-	totalLength := uintptr(codeSet.CodeLength)
-	nextTotalLength := uintptr(ifaceCodeSet.CodeLength)
-
-	curlen := uintptr(len(ctx.Ptrs))
-	offsetNum := ptrOffset / uintptrSize
-
-	newLen := offsetNum + totalLength + nextTotalLength
-	if curlen < newLen {
-		ctx.Ptrs = append(ctx.Ptrs, make([]uintptr, newLen-curlen)...)
-	}
-	oldPtrs := ctx.Ptrs
-
-	newPtrs := ctx.Ptrs[(ptrOffset+totalLength*uintptrSize)/uintptrSize:]
-	newPtrs[0] = uintptr(iface.ptr)
-
-	ctx.Ptrs = newPtrs
-
-	oldBaseIndent := ctx.BaseIndent
-	ctx.BaseIndent = code.Indent
-	bb, err := Run(ctx, b, ifaceCodeSet)
-	if err != nil {
-		return nil, err
-	}
-	ctx.BaseIndent = oldBaseIndent
-
-	ctx.Ptrs = oldPtrs
-
-	return bb, nil
-}
-
 func appendMapKeyValue(ctx *encoder.RuntimeContext, code *encoder.Opcode, b, key, value []byte) []byte {
 	b = appendIndent(ctx, b, code.Indent+1)
 	b = append(b, key...)
@@ -292,7 +255,7 @@ func restoreIndent(ctx *encoder.RuntimeContext, code *encoder.Opcode, ctxptr uin
 }
 
 func storeIndent(ctxptr uintptr, code *encoder.Opcode, indent uintptr) {
-	store(ctxptr, code.End.Next.Length, indent)
+	store(ctxptr, code.Length, indent)
 }
 
 func appendArrayElemIndent(ctx *encoder.RuntimeContext, code *encoder.Opcode, b []byte) []byte {
diff --git a/internal/encoder/vm_color_indent/vm.go b/internal/encoder/vm_color_indent/vm.go
index f6260cc..523cb45 100644
--- a/internal/encoder/vm_color_indent/vm.go
+++ b/internal/encoder/vm_color_indent/vm.go
@@ -224,7 +224,7 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
 			store(ctxptr, c.Idx, uintptr(iface.ptr))
 			store(ctxptr, end.Idx, oldOffset)
 			store(ctxptr, end.ElemIdx, uintptr(unsafe.Pointer(code.Next)))
-			storeIndent(ctxptr, c, uintptr(oldBaseIndent))
+			storeIndent(ctxptr, end, uintptr(oldBaseIndent))
 			code = c
 		case encoder.OpInterfaceEnd:
 			offset := load(ctxptr, code.Idx)
@@ -533,7 +533,7 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
 			store(ctxptr, c.Idx, ptr)
 			store(ctxptr, c.End.Next.Idx, oldOffset)
 			store(ctxptr, c.End.Next.ElemIdx, uintptr(unsafe.Pointer(code.Next)))
-			storeIndent(ctxptr, c, uintptr(oldBaseIndent))
+			storeIndent(ctxptr, c.End.Next, uintptr(oldBaseIndent))
 			code = c
 			recursiveLevel++
 		case encoder.OpRecursiveEnd:
diff --git a/internal/encoder/vm_indent/util.go b/internal/encoder/vm_indent/util.go
index 2e057aa..5f5d8a5 100644
--- a/internal/encoder/vm_indent/util.go
+++ b/internal/encoder/vm_indent/util.go
@@ -111,43 +111,6 @@ func appendColon(_ *encoder.RuntimeContext, b []byte) []byte {
 	return append(b, ':', ' ')
 }
 
-func appendInterface(ctx *encoder.RuntimeContext, codeSet *encoder.OpcodeSet, code *encoder.Opcode, b []byte, iface *emptyInterface, ptrOffset uintptr) ([]byte, error) {
-	ctx.KeepRefs = append(ctx.KeepRefs, unsafe.Pointer(iface))
-	ifaceCodeSet, err := encoder.CompileToGetCodeSet(uintptr(unsafe.Pointer(iface.typ)))
-	if err != nil {
-		return nil, err
-	}
-
-	totalLength := uintptr(codeSet.CodeLength)
-	nextTotalLength := uintptr(ifaceCodeSet.CodeLength)
-
-	curlen := uintptr(len(ctx.Ptrs))
-	offsetNum := ptrOffset / uintptrSize
-
-	newLen := offsetNum + totalLength + nextTotalLength
-	if curlen < newLen {
-		ctx.Ptrs = append(ctx.Ptrs, make([]uintptr, newLen-curlen)...)
-	}
-	oldPtrs := ctx.Ptrs
-
-	newPtrs := ctx.Ptrs[(ptrOffset+totalLength*uintptrSize)/uintptrSize:]
-	newPtrs[0] = uintptr(iface.ptr)
-
-	ctx.Ptrs = newPtrs
-
-	oldBaseIndent := ctx.BaseIndent
-	ctx.BaseIndent = code.Indent
-	bb, err := Run(ctx, b, ifaceCodeSet)
-	if err != nil {
-		return nil, err
-	}
-	ctx.BaseIndent = oldBaseIndent
-
-	ctx.Ptrs = oldPtrs
-
-	return bb, nil
-}
-
 func appendMapKeyValue(ctx *encoder.RuntimeContext, code *encoder.Opcode, b, key, value []byte) []byte {
 	b = appendIndent(ctx, b, code.Indent+1)
 	b = append(b, key...)
@@ -229,7 +192,7 @@ func restoreIndent(ctx *encoder.RuntimeContext, code *encoder.Opcode, ctxptr uin
 }
 
 func storeIndent(ctxptr uintptr, code *encoder.Opcode, indent uintptr) {
-	store(ctxptr, code.End.Next.Length, indent)
+	store(ctxptr, code.Length, indent)
 }
 
 func appendArrayElemIndent(ctx *encoder.RuntimeContext, code *encoder.Opcode, b []byte) []byte {
diff --git a/internal/encoder/vm_indent/vm.go b/internal/encoder/vm_indent/vm.go
index 55bc116..2d2dcb5 100644
--- a/internal/encoder/vm_indent/vm.go
+++ b/internal/encoder/vm_indent/vm.go
@@ -224,7 +224,7 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
 			store(ctxptr, c.Idx, uintptr(iface.ptr))
 			store(ctxptr, end.Idx, oldOffset)
 			store(ctxptr, end.ElemIdx, uintptr(unsafe.Pointer(code.Next)))
-			storeIndent(ctxptr, c, uintptr(oldBaseIndent))
+			storeIndent(ctxptr, end, uintptr(oldBaseIndent))
 			code = c
 		case encoder.OpInterfaceEnd:
 			offset := load(ctxptr, code.Idx)
@@ -533,7 +533,7 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
 			store(ctxptr, c.Idx, ptr)
 			store(ctxptr, c.End.Next.Idx, oldOffset)
 			store(ctxptr, c.End.Next.ElemIdx, uintptr(unsafe.Pointer(code.Next)))
-			storeIndent(ctxptr, c, uintptr(oldBaseIndent))
+			storeIndent(ctxptr, c.End.Next, uintptr(oldBaseIndent))
 			code = c
 			recursiveLevel++
 		case encoder.OpRecursiveEnd: