diff --git a/README.md b/README.md
index ad6f078f..a698403e 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,7 @@ const finalCreateStore = compose(
   // Provides support for DevTools:
   devTools(),
   // Lets you write ?debug_session=<name> in address bar to persist debug sessions
-  persistState(window.location.href.match(/[?&]debug_session=([^&]+)\b/))
+  persistState(window.location.href.match(/[?&]debug_session=([^&]+)\b/)[1])
 )(createStore);
 
 const store = finalCreateStore(reducer);