diff --git a/include/linux/sync_file.h b/include/linux/sync_file.h
index f7de5a0..aa17ccf 100644
--- a/include/linux/sync_file.h
+++ b/include/linux/sync_file.h
@@ -45,6 +45,8 @@
 	struct fence_cb cb;
 };
 
+#define POLL_ENABLED FENCE_FLAG_USER_BITS
+
 struct sync_file *sync_file_create(struct fence *fence);
 struct fence *sync_file_get_fence(int fd);