diff --git a/scripts/lib/upgrade-zulip b/scripts/lib/upgrade-zulip
index cf32193a62..03f5e12cb0 100755
--- a/scripts/lib/upgrade-zulip
+++ b/scripts/lib/upgrade-zulip
@@ -31,7 +31,7 @@ while time.time() - start_time < 300:
         got_lock = True
         break
     except OSError:
-        print WARNING + "Another deployment in progress; waiting for lock..." + ENDC
+        print WARNING + "Another deployment in progress; waiting for lock... (If no deployment is running, rmdir %s)" % (LOCK_DIR,) + ENDC
         time.sleep(10)
 
 if not got_lock: