diff --git a/usr.sbin/pccard/pccardc/pccardc.c b/usr.sbin/pccard/pccardc/pccardc.c
index 2de5f9ee8884..6b8a549b4c26 100644
--- a/usr.sbin/pccard/pccardc/pccardc.c
+++ b/usr.sbin/pccard/pccardc/pccardc.c
@@ -32,6 +32,7 @@ static const char rcsid[] =
 #include <err.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 typedef int (*main_t)(int, char **);