diff --git a/pkgs/games/mudlet/default.nix b/pkgs/games/mudlet/default.nix
index 6fa0b8144d43..8b51d6174039 100644
--- a/pkgs/games/mudlet/default.nix
+++ b/pkgs/games/mudlet/default.nix
@@ -1,4 +1,5 @@
-{ fetchurl, pkgs, stdenv, makeWrapper, qt5, yajl, libzip, hunspell, boost, lua5_1, luafilesystem, luazip, lrexlib, luasqlite3 }:
+{ fetchurl, pkgs, stdenv, makeWrapper, qtbase, yajl, libzip, hunspell
+, boost, lua5_1, luafilesystem, luazip, lrexlib, luasqlite3 }:
 
 stdenv.mkDerivation rec {
   name = "mudlet-${version}";
@@ -9,7 +10,10 @@ stdenv.mkDerivation rec {
     sha256 = "08fhqd323kgz5s17ac5z9dhkjxcmwvcmvhzy0x1vw4rayhijfrd7";
   };
 
-  buildInputs = [ pkgs.unzip qt5.base lua5_1 hunspell libzip yajl boost makeWrapper luafilesystem luazip lrexlib luasqlite3 ];
+  buildInputs = [
+    pkgs.unzip qtbase lua5_1 hunspell libzip yajl boost makeWrapper
+    luafilesystem luazip lrexlib luasqlite3
+  ];
 
   configurePhase = "cd src && qmake";
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index df84c2fcd0f5..bf5c63b1fe27 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12136,7 +12136,7 @@ let
 
   mrxvt = callPackage ../applications/misc/mrxvt { };
 
-  mudlet = callPackage ../games/mudlet {
+  mudlet = qt5Libs.callPackage ../games/mudlet {
     inherit (lua51Packages) luafilesystem lrexlib luazip luasqlite3;
   };