diff --git a/tilecloud_chain/schema.yaml b/tilecloud_chain/schema.yaml
index beffe9523..881b29e68 100644
--- a/tilecloud_chain/schema.yaml
+++ b/tilecloud_chain/schema.yaml
@@ -280,7 +280,7 @@ mapping:
             url:
                 type: str
                 required: true
-                pattern: ^redis://[^:]+:\d+$
+                pattern: ^redis://[^:]+:[^:]+$
             queue:
                 type: str
                 default: tilecloud