diff --git a/rc.lua.multicolor b/rc.lua.multicolor
index 7e239e0..d151adf 100644
--- a/rc.lua.multicolor
+++ b/rc.lua.multicolor
@@ -501,23 +501,23 @@ globalkeys = awful.util.table.join(
     -- ALSA volume control
     awful.key({ altkey }, "Up",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 1+", volumewidget.card, volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s 1+", volumewidget.card, volumewidget.channel))
             volumewidget.update()
         end),
     awful.key({ altkey }, "Down",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 1-", volumewidget.card, volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s 1-", volumewidget.card, volumewidget.channel))
             volumewidget.update()
         end),
     awful.key({ altkey }, "m",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s toggle", volumewidget.card, volumewidget.channel))
-            --awful.util.spawn(string.format("amixer set %s toggle", volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s toggle", volumewidget.card, volumewidget.channel))
+            --os.execute(string.format("amixer set %s toggle", volumewidget.channel))
             volumewidget.update()
         end),
     awful.key({ altkey, "Control" }, "m",
         function ()
-            awful.util.spawn(string.format("amixer -c %s set %s 100%%", volumewidget.card, volumewidget.channel))
+            os.execute(string.format("amixer -c %s set %s 100%%", volumewidget.card, volumewidget.channel))
             volumewidget.update()
         end),