diff --git a/nix/configurations/vanadium/home/xmonad/xmonad.hs b/nix/configurations/vanadium/home/xmonad/xmonad.hs
index 6bccf953..8d3ab02d 100644
--- a/nix/configurations/vanadium/home/xmonad/xmonad.hs
+++ b/nix/configurations/vanadium/home/xmonad/xmonad.hs
@@ -156,8 +156,8 @@ main = xmonad
           , ((controlMask, xF86XK_AudioMute),        spawn "pactl -- set-sink-mute 0 0"    ) -- unmute
           , ((0,           xF86XK_AudioLowerVolume), spawn "pactl -- set-sink-volume 0 -5%")
           , ((0,           xF86XK_AudioRaiseVolume), spawn "pactl -- set-sink-volume 0 +5%")
-          , ((altMask,     xF86XK_AudioLowerVolume), spawn "pactl -- set-sink-volume 0 -1%")
-          , ((altMask,     xF86XK_AudioRaiseVolume), spawn "pactl -- set-sink-volume 0 +1%")
+          , ((shiftMask,   xF86XK_AudioLowerVolume), spawn "pactl -- set-sink-volume 0 -1%")
+          , ((shiftMask,   xF86XK_AudioRaiseVolume), spawn "pactl -- set-sink-volume 0 +1%")
 
           -- Playback control
           , ((0, xF86XK_AudioPrev), spawn "playerctl previous"  )