diff --git a/bob/devtools/bootstrap.py b/bob/devtools/bootstrap.py
index 53b4a65114eff2f13a084ec77f0df3dbd50705a9..a1b8e1d3e0cf7d55bcbbbcb5ceba69e66e903415 100644
--- a/bob/devtools/bootstrap.py
+++ b/bob/devtools/bootstrap.py
@@ -255,9 +255,8 @@ def ensure_miniconda_sh():
 
     assert (
         r1.status == 200
-    ), "Request for http://%s:%d%s - returned status %d " "(%s)" % (
+    ), "Request for http://%s%s - returned status %d " "(%s)" % (
         server[0],
-        server[1],
         path,
         r1.status,
         r1.reason,