--- a/tests/test-topic-change.t	Wed Mar 21 16:32:54 2018 +0100
+++ b/tests/test-topic-change.t	Wed Mar 21 16:35:18 2018 +0100
@@ -98,7 +98,7 @@
      foo (8 changesets)
 Changing topics on some revisions (also testing issue 5441)
 
-  $ hg topic -r abcedffeae90:: bar
+  $ hg topic -r 12:: bar
   switching to topic bar
   changed topic on 4 changes
   $ hg glog