diff --git a/parser.c b/parser.c
index 39c32e6..f308617 100644
--- a/parser.c
+++ b/parser.c
@@ -7308,7 +7308,7 @@
     if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
         ctxt->sax->setDocumentLocator(ctxt->userData, &xmlDefaultSAXLocator);
 
-    if (ctxt->encoding == XML_CHAR_ENCODING_NONE) {
+    if (ctxt->encoding == (const xmlChar *)XML_CHAR_ENCODING_NONE) {
 	/* 
 	 * Get the 4 first bytes and decode the charset
 	 * if enc != XML_CHAR_ENCODING_NONE