diff --git a/src/components/Provider.js b/src/components/Provider.js
index 2c3e5b54c..3c5ec0ea7 100644
--- a/src/components/Provider.js
+++ b/src/components/Provider.js
@@ -24,6 +24,7 @@ function Provider({ store, context, children }) {
     }
     return () => {
       subscription.tryUnsubscribe()
+      subscription.onStateChange = null
     }
   }, [contextValue, previousState])