--- a/tests/run-tests.py	Thu Feb 13 08:14:54 2014 +0100
+++ b/tests/run-tests.py	Thu Feb 13 08:17:39 2014 +0100
@@ -1167,6 +1167,8 @@
 
     if failed:
         return 1
+    if warned:
+        return 80
 
 testtypes = [('.py', pytest, '.out'),
              ('.t', tsttest, '')]