diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index 5f2f47f..2f16287 100644
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -532,7 +532,7 @@
 		bcs->skb = NULL;
 		return;
 	}
-	*gigaset_skb_put_quick(bcs->skb, 1) = c;
+	*__skb_put(bcs->skb, 1) = c;
 }
 
 /* hdlc_flush