diff --git a/headers/private/package/packagefs.h b/headers/private/package/packagefs.h
index 29ef4a11c7..d7ef1a9dc0 100644
--- a/headers/private/package/packagefs.h
+++ b/headers/private/package/packagefs.h
@@ -84,7 +84,7 @@ struct PackageFSActivationChangeItem {
 
 struct PackageFSActivationChangeRequest {
 	uint32							itemCount;
-	PackageFSActivationChangeItem	items[1];
+	PackageFSActivationChangeItem	items[0];
 };