diff --git a/rtmp/rtmp.go b/rtmp/rtmp.go
index 9ab97a33..8dd8e0a8 100644
--- a/rtmp/rtmp.go
+++ b/rtmp/rtmp.go
@@ -2802,8 +2802,10 @@ func C_AMF_Decode(obj *C.AMFObject, pBuffer *byte, nSize int32, bDecodeName int3
 			continue
 		}
 		// TODO port AMFProp_Decode
-		nRes = int32(C.AMFProp_Decode(&prop, (*C.char)(unsafe.Pointer(pBuffer)),
-			C.int(nSize), C.int(bDecodeName)))
+		nRes = int32(C_AMFProp_Decode(&prop, (*byte)(unsafe.Pointer(pBuffer)),
+			int32(nSize), int32(bDecodeName)))
+		// nRes = int32(C.AMFProp_Decode(&prop, (*C.char)(unsafe.Pointer(pBuffer)),
+		// C.int(nSize), C.int(bDecodeName)))
 		if nRes == -1 {
 			bError = 1
 			break