diff -r 020a5b5aa510 -r 53895e9a4bbb ucx/utils.c
--- a/ucx/utils.c	Wed May 13 21:12:41 2015 +0200
+++ b/ucx/utils.c	Tue May 19 10:46:32 2015 +0200
@@ -1,7 +1,7 @@
 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
  *
- * Copyright 2014 Olaf Wintermann. All rights reserved.
+ * Copyright 2015 Olaf Wintermann. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -128,10 +128,12 @@
 }
 
 int ucx_ptrcmp(void *ptr1, void *ptr2, void *data) {
-    if (ptr1 == ptr2) {
+    intptr_t p1 = (intptr_t) ptr1;
+    intptr_t p2 = (intptr_t) ptr2;
+    if (p1 == p2) {
         return 0;
     } else {
-        return ptr1 < ptr2 ? -1 : 1;
+        return p1  < p2 ? -1 : 1;
     }
 }