diff --git a/packages/vue-apollo-composable/src/useSubscription.ts b/packages/vue-apollo-composable/src/useSubscription.ts
index 8804282..da5af05 100644
--- a/packages/vue-apollo-composable/src/useSubscription.ts
+++ b/packages/vue-apollo-composable/src/useSubscription.ts
@@ -280,7 +280,7 @@ export function useSubscription <
   })
 
   // Teardown
-  onBeforeUnmount(stop)
+  vm && onBeforeUnmount(stop)
 
   return {
     result,