diff --git a/tests/timespec-test.c b/tests/timespec-test.c
index 31a6f146..f10ed76c 100644
--- a/tests/timespec-test.c
+++ b/tests/timespec-test.c
@@ -32,6 +32,7 @@
 #include <assert.h>
 #include <errno.h>
 #include <unistd.h>
+#include <time.h>
 
 #include "timespec-util.h"