diff --git a/packages/react-virtual/src/index.tsx b/packages/react-virtual/src/index.tsx
index 3c4a4c98..d835e7c4 100644
--- a/packages/react-virtual/src/index.tsx
+++ b/packages/react-virtual/src/index.tsx
@@ -42,7 +42,7 @@ function useVirtualizerBase<
 
   instance.setOptions(resolvedOptions)
 
-  React.useEffect(() => {
+  useIsomorphicLayoutEffect(() => {
     return instance._didMount()
   }, [])