diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 221965856612acb9cc76e258528e017fbed006a6..ea5e69fa150e551d037fbc945f5981abcc781dd3 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -2366,8 +2366,9 @@ void console_unlock(void)
 		printk_safe_enter_irqsave(flags);
 		raw_spin_lock(&logbuf_lock);
 		if (console_seq < log_first_seq) {
-			len = sprintf(text, "** %u printk messages dropped **\n",
-				      (unsigned)(log_first_seq - console_seq));
+			len = sprintf(text,
+				      "** %llu printk messages dropped **\n",
+				      log_first_seq - console_seq);
 
 			/* messages are gone, move to first one */
 			console_seq = log_first_seq;