diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index a4256e558a70..b28b8a5ef638 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -194,7 +194,7 @@ char kdb_getchar(void)
  */
 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);
 }