diff --git a/src/ucm/ucm_local.h b/src/ucm/ucm_local.h
index 03d3ace1..87f14a29 100644
--- a/src/ucm/ucm_local.h
+++ b/src/ucm/ucm_local.h
@@ -36,6 +36,7 @@
 #define UC_MGR_DEBUG
 #endif
 
+#include <pthread.h>
 #include "local.h"
 #include "use-case.h"