diff --git a/openstack_dashboard/test/integration_tests/tests/decorators.py b/openstack_dashboard/test/integration_tests/tests/decorators.py
index b10ede4f01..ed3f4d3f7c 100644
--- a/openstack_dashboard/test/integration_tests/tests/decorators.py
+++ b/openstack_dashboard/test/integration_tests/tests/decorators.py
@@ -128,7 +128,7 @@ def skip_because(**kwargs):
             for bug in bugs:
                 if not bug.isdigit():
                     raise ValueError("bug must be a valid bug number")
-            obj = skip_method(obj, "Skipped until Bugs: %s are resolved."
+            obj = skip_method(obj, "Skipped until Bugs: %s are resolved." %
                               ", ".join([bug for bug in bugs]))
         return obj
     return actual_decoration