diff --git a/contrib/perf.py b/contrib/perf.py
--- a/contrib/perf.py
+++ b/contrib/perf.py
@@ -1414,7 +1414,13 @@
     opts = _byteskwargs(opts)
     timer, fm = gettimer(ui, opts)
 
-    path = ui.getpath(dest, default=(b'default-push', b'default'))
+    try:
+        from mercurial.utils.urlutil import get_unique_push_path
+
+        path = get_unique_push_path(repo, ui, dest)
+    except ImportError:
+        path = ui.getpath(dest, default=(b'default-push', b'default'))
+
     if not path:
         raise error.Abort(
             b'default repository not configured!',