diff --git a/src/platforms/posix/work_queue/hrt_thread.c b/src/platforms/posix/work_queue/hrt_thread.c
index 98331ca798..9ac14e4b2d 100644
--- a/src/platforms/posix/work_queue/hrt_thread.c
+++ b/src/platforms/posix/work_queue/hrt_thread.c
@@ -63,7 +63,7 @@
  ****************************************************************************/
 
 /* The state of each work queue. */
-struct wqueue_s g_hrt_work;
+struct wqueue_s g_hrt_work = {};
 
 /****************************************************************************
  * Private Variables