diff --git a/src/system/kernel/sem.cpp b/src/system/kernel/sem.cpp
index 8f7be82303..fb8f3c4488 100644
--- a/src/system/kernel/sem.cpp
+++ b/src/system/kernel/sem.cpp
@@ -355,7 +355,7 @@ delete_sem_internal(sem_id id, bool checkPermission)
 
 	int32 slot = id % sMaxSems;
 
-	InterruptsLocker _;
+	InterruptsLocker interruptsLocker;
 	SpinLocker listLocker(sSemsSpinlock);
 	SpinLocker semLocker(sSems[slot].lock);
 
@@ -386,6 +386,8 @@ delete_sem_internal(sem_id id, bool checkPermission)
 	scheduler_reschedule_if_necessary_locked();
 	schedulerLocker.Unlock();
 
+	interruptsLocker.Unlock();
+
 	free(name);
 	return B_OK;
 }