diff --git a/packages/pinia/src/store.ts b/packages/pinia/src/store.ts
index 16ae7aa4a1..76c1bc77b1 100644
--- a/packages/pinia/src/store.ts
+++ b/packages/pinia/src/store.ts
@@ -872,8 +872,8 @@ export function defineStore<Id extends string, SS>(
   _ExtractGettersFromSetupStore<SS>,
   _ExtractActionsFromSetupStore<SS>
 >
-// improves tree shaking
-/*#__NO_SIDE_EFFECTS__*/
+// allows unused stores to be tree shaken
+/*! #__NO_SIDE_EFFECTS__ */
 export function defineStore(
   // TODO: add proper types from above
   idOrOptions: any,