diff --git a/tools/hwsim.c b/tools/hwsim.c
index 5321b200..da54a6a0 100644
--- a/tools/hwsim.c
+++ b/tools/hwsim.c
@@ -1436,7 +1436,8 @@ static void unicast_handler(struct l_genl_msg *msg, void *user_data)
 			break;
 
 		default:
-			l_warn("Unhandled attribute type: %u", type);
+			if (type >= __HWSIM_ATTR_MAX)
+				l_warn("Unknown attribute type: %u", type);
 			break;
 		}
 	}