diff --git a/pkgs/additional/sxmo-utils/default.nix b/pkgs/additional/sxmo-utils/default.nix
index 4bd1e29c..cf5c2266 100644
--- a/pkgs/additional/sxmo-utils/default.nix
+++ b/pkgs/additional/sxmo-utils/default.nix
@@ -25,6 +25,9 @@ stdenv.mkDerivation rec {
     sed -i "s@/etc/profile\.d/sxmo_init.sh@$out/etc/profile.d/sxmo_init.sh@" scripts/core/*.sh
     sed -i "s@/usr/bin/@@g" scripts/core/sxmo_version.sh
     sed -i 's:ExecStart=/usr/bin/:ExecStart=/usr/bin/env :' configs/superd/services/*.service
+
+    # on devices where volume is part of the primary keyboard, we want to avoid overwriting the default map
+    cp ${./en_us_105.xkb} configs/xkb/xkb_mobile_normal_buttons
   '';
 
   installFlags = [
diff --git a/pkgs/additional/sxmo-utils/en_us_105.xkb b/pkgs/additional/sxmo-utils/en_us_105.xkb
new file mode 100644
index 00000000..15000268
--- /dev/null
+++ b/pkgs/additional/sxmo-utils/en_us_105.xkb
@@ -0,0 +1,7 @@
+xkb_keymap {
+	xkb_keycodes  { include "evdev+aliases(qwerty)"	};
+	xkb_types     { include "complete"	};
+	xkb_compat    { include "complete"	};
+	xkb_symbols   { include "pc+us+inet(evdev)"	};
+	xkb_geometry  { include "pc(pc105)"	};
+};