diff --git a/cms/src/api/project/content-types/project/schema.json b/cms/src/api/project/content-types/project/schema.json
index be4873cf..5172c017 100644
--- a/cms/src/api/project/content-types/project/schema.json
+++ b/cms/src/api/project/content-types/project/schema.json
@@ -77,6 +77,9 @@
       "relation": "manyToMany",
       "target": "api::intervention-type.intervention-type",
       "inversedBy": "projects"
+    },
+    "bbox": {
+      "type": "json"
     }
   }
 }