diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 2e2c86dd226f..5aa96098c64d 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -3189,7 +3189,7 @@ 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, NULL, 0);