diff --git a/types/swiper/index.d.ts b/types/swiper/index.d.ts
index 4a03396457..a409f8d4bd 100644
--- a/types/swiper/index.d.ts
+++ b/types/swiper/index.d.ts
@@ -184,7 +184,7 @@ declare module 'swiper' {
         /**
          * Register event handlers.
          */
-        on?: EventsOptions;
+        on?: {[key in SwiperEvent]?: () => void };
 
         // Slides grid
         spaceBetween?: number;