diff --git a/src/platforms/posix/work_queue/hrt_queue.c b/src/platforms/posix/work_queue/hrt_queue.c
index bc7d89b563..e17f74ca0a 100644
--- a/src/platforms/posix/work_queue/hrt_queue.c
+++ b/src/platforms/posix/work_queue/hrt_queue.c
@@ -47,6 +47,7 @@
 #include <semaphore.h>
 #include <drivers/drv_hrt.h>
 #include <px4_workqueue.h>
+#include <px4_posix.h>
 #include "hrt_work.h"
 
 /****************************************************************************