diff --git a/src/time/strftime.c b/src/time/strftime.c
index 6b8a33f5..24000f3b 100644
--- a/src/time/strftime.c
+++ b/src/time/strftime.c
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <langinfo.h>
 #include <locale.h>
 #include <time.h>