diff --git a/packages/core/server/src/swagger/index.json b/packages/core/server/src/swagger/index.json
index c58b0dcf2..34b9378c9 100644
--- a/packages/core/server/src/swagger/index.json
+++ b/packages/core/server/src/swagger/index.json
@@ -107,8 +107,12 @@
         "name": "filter",
         "in": "query",
         "description": "filter items",
-        "schema": {
-          "type": "object"
+        "content": {
+          "application/json": {
+            "schema": {
+              "type": "object"
+            }
+          }
         }
       },
       "sort": {