diff --git a/tests/test-sig.c b/tests/test-sig.c
index fe428de..df023fa 100644
--- a/tests/test-sig.c
+++ b/tests/test-sig.c
@@ -1,6 +1,7 @@
 #include <zebra.h>
 #include <sigevent.h>
 #include "lib/log.h"
+#include "lib/memory.h"
 
 void
 sighup (void)