diff --git a/optuna_dashboard/ts/apiClient.ts b/optuna_dashboard/ts/apiClient.ts
index 5339ff21..14566a07 100644
--- a/optuna_dashboard/ts/apiClient.ts
+++ b/optuna_dashboard/ts/apiClient.ts
@@ -467,7 +467,7 @@ export enum CompareStudiesPlotType {
 }
 export const getCompareStudiesPlotAPI = (
   studyIds: number[],
-  plotType: CompareStudiesPlotType,
+  plotType: CompareStudiesPlotType
 ): Promise<PlotResponse> => {
   return axiosInstance
     .get<PlotResponse>(`/api/compare-studies/plot/${plotType}`, {