diff --git a/.gitignore b/.gitignore
index 5abbe39..975af0e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,10 @@
 
 !/etc/hostname
 
+!/etc/modprobe.d/
+/etc/modprobe.d/*
+!/etc/modprobe.d/alsa-base.conf
+
 !/etc/nginx/sites-available/
 
 !/floppies/
diff --git a/etc/modprobe.d/alsa-base.conf b/etc/modprobe.d/alsa-base.conf
new file mode 100644
index 0000000..51469ba
--- /dev/null
+++ b/etc/modprobe.d/alsa-base.conf
@@ -0,0 +1,2 @@
+options snd-usb-audio index=0
+options snd_bcm2835 index=1