diff --git a/kernel/uid_observer.c b/kernel/uid_observer.c
index b0a6c6f2..95fa1c0a 100644
--- a/kernel/uid_observer.c
+++ b/kernel/uid_observer.c
@@ -29,7 +29,7 @@ static bool is_uid_exist(uid_t uid, void *data)
 
 	bool exist = false;
 	list_for_each_entry (np, list, list) {
-		if (np->uid % 100000 == uid) {
+		if (np->uid == uid % 100000) {
 			exist = true;
 			break;
 		}
@@ -136,4 +136,4 @@ int ksu_uid_observer_init()
 int ksu_uid_observer_exit()
 {
 	return 0;
-}
\ No newline at end of file
+}