diff --git a/src/modems/hayes.c b/src/modems/hayes.c
index 27fcf0a..32ecdfc 100644
--- a/src/modems/hayes.c
+++ b/src/modems/hayes.c
@@ -2023,8 +2023,9 @@ static unsigned int _reset_configure_baudrate(Hayes * hayes,
 			return B921600;
 #endif
 		default:
-			error_set("%u%s", baudrate,
-					"Unsupported baudrate (using 115200)");
+			error_set("%u%s%u%s", baudrate,
+					"Unsupported baudrate (using ",
+					115200, ")");
 			hayes->helper->error(NULL, error_get(), 1);
 			return B115200;
 	}