diff --git a/server/tests/basic_event_loop.c b/server/tests/basic_event_loop.c
index 99c086ce..7e8a1df4 100644
--- a/server/tests/basic_event_loop.c
+++ b/server/tests/basic_event_loop.c
@@ -1,6 +1,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <sys/time.h>
+#include <strings.h>
 
 #include "test_util.h"
 #include "basic_event_loop.h"