--- a/src/qt3support/text/q3textstream.cpp	Mon Jun 21 22:38:13 2010 +0100
+++ b/src/qt3support/text/q3textstream.cpp	Thu Jul 22 16:41:55 2010 +0100
@@ -2084,7 +2084,7 @@
     setf( hex, basefield );
     setf( showbase );
     unsetf( uppercase );
-    output_int( I_LONG | I_UNSIGNED, (ulong)ptr, FALSE );
+    output_int( I_LONG | I_UNSIGNED, (quintptr)ptr, FALSE );
     flags( f );
     return *this;
 }