diff --git a/code/lib/manager-api/src/index.tsx b/code/lib/manager-api/src/index.tsx
index bb7fe0e5ec6c..3b0a21bdcb94 100644
--- a/code/lib/manager-api/src/index.tsx
+++ b/code/lib/manager-api/src/index.tsx
@@ -411,8 +411,8 @@ export function useSharedState<S>(stateId: string, defaultState?: S) {
     }
   });
 
-  const setState = (s: S | API_StateMerger<S>, options?: Options) => {
-    const result = api.setAddonState<S>(stateId, s, options);
+  const setState = async (s: S | API_StateMerger<S>, options?: Options) => {
+    const result = await api.setAddonState<S>(stateId, s, options);
     STORYBOOK_ADDON_STATE[stateId] = result;
     return result;
   };