--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2336,6 +2336,8 @@ static int b43_upload_microcode(struct b
 		b43info(dev->wl, "Loading OpenSource firmware version %u.%u%s\n",
 			dev->fw.rev, dev->fw.patch,
 			dev->fw.pcm_request_failed ? " (Hardware crypto not supported)" : "");
+		/* The OpenSource firmware does not support qos for now. */
+		b43_modparam_qos = 0;
 	} else {
 		b43info(dev->wl, "Loading firmware version %u.%u "
 			"(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n",
