diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ab99dfbd..65146a6f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,10 +7,12 @@ on:
     branches:
       - main
       - staging
+      - legacy
   pull_request:
     branches:
       - main
       - staging
+      - legacy
 jobs:
 
   setup-local-runner:    
diff --git a/src/shared/platform/posix/core_mq.c b/src/shared/platform/posix/core_mq.c
index 85a7d77a..e69ae382 100644
--- a/src/shared/platform/posix/core_mq.c
+++ b/src/shared/platform/posix/core_mq.c
@@ -8,6 +8,7 @@
 #include "ocre_core_external.h"
 
 #include <errno.h>
+#include <fcntl.h>
 #include <stdio.h>
 
 int core_mq_init(core_mq_t *mq, const char *name, size_t msg_size, uint32_t max_msgs)