diff --git a/rc.lua b/rc.lua
index 676b6b5..e096e28 100644
--- a/rc.lua
+++ b/rc.lua
@@ -63,7 +63,7 @@ for _, lvl in ipairs {"low", "normal", "critical"} do
 end
 
 modkey = "Mod4"
-terminal = "kgx"
+terminal = "xfce4-terminal"
 launcher = "xfce4-appfinder"
 
 -- {{{ Layout
@@ -150,7 +150,16 @@ awful.rules.rules = {
       raise = true,
       placement = awful.placement.no_overlap + awful.placement.no_offscreen
     }
-  }
+  },
+  -- Make terminals and mpv fill the whole screen rather than leave small gaps.
+  {
+    rule_any = {
+      class = {"xfce4-terminal", "Xfce4-terminal", "mpv"},
+    },
+    properties = {
+      size_hints_honor = false
+    }
+  },
 }
 -- }}}