diff --git a/loop/server/loophttp.go b/loop/server/loophttp.go
index d83d8cf..8a43fce 100644
--- a/loop/server/loophttp.go
+++ b/loop/server/loophttp.go
@@ -491,7 +491,8 @@
 			json.NewEncoder(w).Encode(map[string]string{
 				"status":     "cancelled",
 				"too_use_id": requestBody.ToolCallID,
-				"reason":     cancelReason})
+				"reason":     cancelReason,
+			})
 			return
 		}
 		// Call the CancelInnerLoop method