diff --git a/ipc/sem.c b/ipc/sem.c
index 899b598..04b264d 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -815,6 +815,13 @@
 	struct sem_queue * q;
 
 	semzcnt = 0;
+	list_for_each_entry(q, &sma->sem_base[semnum].sem_pending, list) {
+		struct sembuf * sops = q->sops;
+		BUG_ON(sops->sem_num != semnum);
+		if ((sops->sem_op == 0) && !(sops->sem_flg & IPC_NOWAIT))
+			semzcnt++;
+	}
+
 	list_for_each_entry(q, &sma->sem_pending, list) {
 		struct sembuf * sops = q->sops;
 		int nsops = q->nsops;