diff --git a/packages/@o3r/localization/schemas/localization.metadata.schema.json b/packages/@o3r/localization/schemas/localization.metadata.schema.json
index 91b0d03d2d..bcfa559e17 100644
--- a/packages/@o3r/localization/schemas/localization.metadata.schema.json
+++ b/packages/@o3r/localization/schemas/localization.metadata.schema.json
@@ -20,8 +20,7 @@
           },
           "ref": {
             "type": "string",
-            "description": "Reference to a local localization",
-            "pattern": "^[^/]*$"
+            "description": "Reference to a local localization"
           },
           "description": {
             "type": "string",