diff --git a/packages/iconv/iconv.c b/packages/iconv/iconv.c
index ba2c38a7..55c2e737 100644
--- a/packages/iconv/iconv.c
+++ b/packages/iconv/iconv.c
@@ -66,7 +66,7 @@ iconvWrapper (iconv_t handle, OOP readBufferOOP, int readPos,
              int readCount, OOP writeBufferOOP, int writeCount,
              OOP bytesLeftOOP)
 {
-  const char *inbuf;
+  char *inbuf;
   size_t inbytesleft;
   char *outbuf;
   size_t outbytesleft;
diff --git a/packages/xml/expat/expat.c b/packages/xml/expat/expat.c
index 0ceee46c..4ea35289 100644
--- a/packages/xml/expat/expat.c
+++ b/packages/xml/expat/expat.c
@@ -573,7 +573,7 @@ gst_XML_ParserCreate (OOP parserOOP)
   XML_SetNotationDeclHandler (p, gst_NotationDeclHandler);
   XML_SetStartNamespaceDeclHandler (p, gst_StartNamespaceDeclHandler);
   XML_SetEndNamespaceDeclHandler (p, gst_EndNamespaceDeclHandler);
-  XML_SetSkippedEntityHandler (p, gst_SkippedEntityHandler);
+  XML_SetSkippedEntityHandler (p, (void (*)(void *, const XML_Char *, int))(gst_SkippedEntityHandler));
   XML_SetReturnNSTriplet (p, true);
 
   if (!saxEventSequenceClass)