diff --git a/clientapi/routing/key_crosssigning.go b/clientapi/routing/key_crosssigning.go
index abe9182a..149aba9f 100644
--- a/clientapi/routing/key_crosssigning.go
+++ b/clientapi/routing/key_crosssigning.go
@@ -94,7 +94,10 @@ func UploadCrossSigningDeviceKeys(
 		}
 	}
 
-	return util.JSONResponse{}
+	return util.JSONResponse{
+		Code: http.StatusOK,
+		JSON: struct{}{},
+	}
 }
 
 func UploadCrossSigningDeviceSignatures(req *http.Request, keyserverAPI api.KeyInternalAPI, device *userapi.Device) util.JSONResponse {
@@ -128,5 +131,8 @@ func UploadCrossSigningDeviceSignatures(req *http.Request, keyserverAPI api.KeyI
 		}
 	}
 
-	return util.JSONResponse{}
+	return util.JSONResponse{
+		Code: http.StatusOK,
+		JSON: struct{}{},
+	}
 }