1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/isdn/mISDN/layer1.c b/drivers/isdn/mISDN/layer1.c
index fced1a2755f8..b73e952d12cf 100644
--- a/drivers/isdn/mISDN/layer1.c
+++ b/drivers/isdn/mISDN/layer1.c
@@ -18,10 +18,11 @@
 
 #include <linux/module.h>
 #include <linux/mISDNhw.h>
+#include "core.h"
 #include "layer1.h"
 #include "fsm.h"
 
-static int *debug;
+static u_int *debug;
 
 struct layer1 {
         u_long                  Flags;