diff --git a/net/batman-adv/bat_debugfs.c b/net/batman-adv/bat_debugfs.c
index 4577d3f..e8491ee 100644
--- a/net/batman-adv/bat_debugfs.c
+++ b/net/batman-adv/bat_debugfs.c
@@ -82,7 +82,7 @@
 
 	va_start(args, fmt);
 	vscnprintf(tmp_log_buf, sizeof(tmp_log_buf), fmt, args);
-	fdebug_log(bat_priv->debug_log, "[%10u] %s",
+	fdebug_log(bat_priv->debug_log, "[%10lu] %s",
 		   (jiffies / HZ), tmp_log_buf);
 	va_end(args);