diff --git a/types/components.d.ts b/types/components.d.ts
index d1e5fbf5..163cf5e8 100644
--- a/types/components.d.ts
+++ b/types/components.d.ts
@@ -3,6 +3,6 @@ import { ChartData, ChartOptions } from 'chart.js';
 
 /** vue-chartjs component common definition */
 export declare class BaseChart extends Vue {
-  addPlugin (plugin?: string[]): void
+  addPlugin (plugin?: object): void
   renderChart (chartData: ChartData, options?: ChartOptions): void
 }