diff --git a/decode.go b/decode.go
index 923cdce..4cee2ac 100644
--- a/decode.go
+++ b/decode.go
@@ -81,7 +81,10 @@ func (d *Decoder) decode(src []byte, header *interfaceHeader) error {
 	typeptr := uintptr(unsafe.Pointer(typ))
 	dec := cachedDecoder.get(typeptr)
 	if dec == nil {
-		compiledDec, err := d.compileHead(typ)
+		// noescape trick for header.typ ( reflect.*rtype )
+		copiedType := (*rtype)(unsafe.Pointer(typeptr))
+
+		compiledDec, err := d.compileHead(copiedType)
 		if err != nil {
 			return err
 		}
diff --git a/encode.go b/encode.go
index e64780a..6a8db7a 100644
--- a/encode.go
+++ b/encode.go
@@ -159,7 +159,7 @@ func (e *Encoder) encode(v interface{}) error {
 		return nil
 	}
 
-	// to noescape trick for header.typ ( reflect.*rtype )
+	// noescape trick for header.typ ( reflect.*rtype )
 	copiedType := (*rtype)(unsafe.Pointer(typeptr))
 
 	codeIndent, err := e.compileHead(copiedType, true)