diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 682045a..23acbdb 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -139,7 +139,7 @@
 			while (isspace(*prompt))
 				prompt++;
 		}
-		if (current_entry->prompt)
+		if (current_entry->prompt && current_entry != &rootmenu)
 			prop_warn(prop, "prompt redefined");
 		current_entry->prompt = prop;
 	}