diff --git a/config.def.h b/config.def.h
index c3e0dbc..28356af 100644
--- a/config.def.h
+++ b/config.def.h
@@ -1,5 +1,11 @@
 /* See LICENSE file for copyright and license details. */
 
+#include <X11/XF86keysym.h>
+//volume
+static const char *upvol[]   = { "/usr/bin/pactl", "set-sink-volume", "0", "+5%",     NULL };
+static const char *downvol[] = { "/usr/bin/pactl", "set-sink-volume", "0", "-5%",     NULL };
+static const char *mutevol[] = { "/usr/bin/pactl", "set-sink-mute",   "0", "toggle",  NULL };
+
 /* appearance */
 static const unsigned int borderpx  = 1;        /* border pixel of windows */
 static const unsigned int gappx     = 5;        /* gaps between windows */
@@ -99,6 +105,10 @@ static Key keys[] = {
 	TAGKEYS(                        XK_8,                      7)
 	TAGKEYS(                        XK_9,                      8)
 	{ MODKEY|ShiftMask,             XK_q,      quit,           {0} },
+	{ 0,              XF86XK_AudioLowerVolume, spawn,          {.v = downvol } },
+	{ 0,              XF86XK_AudioMute, spawn,                 {.v = mutevol } },
+	{ 0,              XF86XK_AudioRaiseVolume, spawn,          {.v = upvol   } },
+};
 };
 
 /* button definitions */