diff --git a/Libraries/Components/RefreshControl/RefreshControl.js b/Libraries/Components/RefreshControl/RefreshControl.js
index 556b06e5d..ac6853e2a 100644
--- a/Libraries/Components/RefreshControl/RefreshControl.js
+++ b/Libraries/Components/RefreshControl/RefreshControl.js
@@ -87,7 +87,7 @@ export type RefreshControlProps = $ReadOnly<{|
   /**
    * Called when the view starts refreshing.
    */
-  onRefresh?: ?() => void,
+  onRefresh?: ?() => mixed,
 
   /**
    * Whether the view should be indicating an active refresh.