diff --git a/lib/include/srslte/common/msg_queue.h b/lib/include/srslte/common/msg_queue.h
index bca4c5388..e8b8c742a 100644
--- a/lib/include/srslte/common/msg_queue.h
+++ b/lib/include/srslte/common/msg_queue.h
@@ -56,6 +56,9 @@ public:
 
   ~msg_queue()
   {
+    pthread_mutex_destroy(&mutex);
+    pthread_cond_destroy(&not_empty);
+    pthread_cond_destroy(&not_full);
     delete [] buf;
   }