diff --git a/src/modules/infinite-scroll.directive.ts b/src/modules/infinite-scroll.directive.ts
index c40c2115..1aa067da 100644
--- a/src/modules/infinite-scroll.directive.ts
+++ b/src/modules/infinite-scroll.directive.ts
@@ -46,8 +46,8 @@ export class InfiniteScrollDirective
   }
 
   ngOnChanges({ infiniteScrollContainer, infiniteScrollDisabled }: SimpleChanges) {
-    const containerChanged: boolean = inputPropChanged(infiniteScrollContainer);
-    const disabledChanged: boolean = inputPropChanged(infiniteScrollDisabled)
+    const containerChanged = inputPropChanged(infiniteScrollContainer);
+    const disabledChanged = inputPropChanged(infiniteScrollDisabled)
     
     if (containerChanged || disabledChanged) {
       this.destroyScroller();