diff --git a/gnu/usr.bin/grep/savedir.c b/gnu/usr.bin/grep/savedir.c
index cfba77cec4d4..6aabe31e793c 100644
--- a/gnu/usr.bin/grep/savedir.c
+++ b/gnu/usr.bin/grep/savedir.c
@@ -71,6 +71,7 @@ char *stpcpy ();
 
 #include <fnmatch.h>
 #include "savedir.h"
+#include "system.h"
 
 char *path;
 size_t pathlen;