diff --git a/expat/xmlparse/xmlparse.c b/expat/xmlparse/xmlparse.c
index 66ab5637..bc8bc315 100755
--- a/expat/xmlparse/xmlparse.c
+++ b/expat/xmlparse/xmlparse.c
@@ -1142,7 +1142,7 @@ static enum XML_Error storeAtts(XML_Parser parser, const ENCODING *enc,
     appAtts[i << 1] = 0;
   }
   while (i-- > 0)
-    ((char *)appAtts[i << 1])[-1] = 0;
+    ((XML_Char *)appAtts[i << 1])[-1] = 0;
   return XML_ERROR_NONE;
 }