diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index e3ba890412c13d71a1ce25076e68d4dc288f9aee..501c7ec47ab4277edc63ccc64e3f855124379f85 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -3218,7 +3218,7 @@ bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog,
 	/* move first record forward until length fits into the buffer */
 	seq = dumper->cur_seq;
 	idx = dumper->cur_idx;
-	while (l > size && seq < dumper->next_seq) {
+	while (l >= size && seq < dumper->next_seq) {
 		struct printk_log *msg = log_from_idx(idx);
 
 		l -= msg_print_text(msg, true, time, NULL, 0);