diff --git a/usr.bin/colldef/scan.l b/usr.bin/colldef/scan.l
index 0340b8ca9fe..10b17c8e7d0 100644
--- a/usr.bin/colldef/scan.l
+++ b/usr.bin/colldef/scan.l
@@ -32,10 +32,10 @@ __FBSDID("$FreeBSD$");
 
 #include <ctype.h>
 #include <err.h>
+#include <limits.h>
 #include <unistd.h>
 #include <string.h>
 #include <sysexits.h>
-#include "collate.h"
 #include "common.h"
 #include "y.tab.h"