diff --git a/config.h b/config.h
index 8c1a92b..0fcc9f8 100644
--- a/config.h
+++ b/config.h
@@ -160,8 +160,8 @@ static Key keys[] = {
 	{ MODKEY,			XK_Return,	spawn,		{.v = termcmd } },
 	{ MODKEY|ShiftMask,		XK_Return,	togglescratch,	{.v = scratchpadcmd } },
 
-	/* { MODKEY,			XK_z,		spawn,		SHCMD("") }, */
-	/* { MODKEY|ShiftMask,		XK_z,		spawn,		SHCMD("") }, */
+	{ MODKEY,			XK_z,		incrgaps,	{.i = +1 } },
+	{ MODKEY|ShiftMask,		XK_z,		incrgaps,	{.i = -1 } },
 	{ MODKEY,			XK_x,		spawn,		SHCMD("slock & xset dpms force off; mpc pause ; pauseallmpv") },
 	{ MODKEY|ShiftMask,		XK_x,		spawn,		SHCMD("prompt \"Shutdown computer?\" \"sudo -A shutdown -h now\"") },
 	/* { MODKEY,			XK_c,		spawn,		SHCMD("") }, */