diff --git a/master.cfg b/master.cfg
index 904cfb8..f13e772 100644
--- a/master.cfg
+++ b/master.cfg
@@ -423,7 +423,7 @@ send to the gdb-testers mailing list."""
     else:
         # There is no build breakage anymore!  Yay!  Now, let's see if
         # we need to clean up any lock file from previous breaks.
-        lockfile = make_breakage_lockfile_name (cur_change.revision, name, branch)
+        lockfile = make_breakage_lockfile_name (name, branch, cur_change.revision)
         if os.path.exists (lockfile):
             # We need to clean the lockfile.  Garbage-collect it here.
             os.remove (lockfile)