diff --git a/src/common/SlideAnimationView.js b/src/common/SlideAnimationView.js
index 2ab34e07680..298c8b94d4c 100644
--- a/src/common/SlideAnimationView.js
+++ b/src/common/SlideAnimationView.js
@@ -46,7 +46,7 @@ export default class SlideAnimationView extends PureComponent<Props, State> {
     const { property, from, to, movement, style } = this.props;
     const animationValue = this.state.animationIndex.interpolate({
       inputRange: [0, 1],
-      outputRange: movement === 'out' ? [from, to] : [to, from],
+      outputRange: movement === 'out' ? ([from, to]: number[]) : ([to, from]: number[]),
     });
 
     const slideStyle = { transform: [{ [property]: animationValue }] };