diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index a3bb0c8..532ec3b 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -762,7 +762,7 @@
  * The receiver accepts the message and returns without grabbing the queue
  * spinlock. Therefore an intermediate STATE_PENDING state and memory barriers
  * are necessary. The same algorithm is used for sysv semaphores, see
- * ipc/mutex.c fore more details.
+ * ipc/sem.c fore more details.
  *
  * The same algorithm is used for senders.
  */