diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index 9ce4e52532b7..bfce77a0daac 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -192,7 +192,7 @@ static int kdb_read_get_key(char *buffer, size_t bufsize)
  */
 static void kdb_position_cursor(char *prompt, char *buffer, char *cp)
 {
-	kdb_printf("\r%s", kdb_prompt_str);
+	kdb_printf("\r%s", prompt);
 	if (cp > buffer)
 		kdb_printf("%.*s", (int)(cp - buffer), buffer);
 }