diff --git a/pkgs/applications/video/smtube/default.nix b/pkgs/applications/video/smtube/default.nix
index 79dbf5764724..bc55f943a889 100644
--- a/pkgs/applications/video/smtube/default.nix
+++ b/pkgs/applications/video/smtube/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, qt5 }:
+{ stdenv, fetchurl, qtscript }:
 
 stdenv.mkDerivation rec {
   version = "15.11.0";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     "PREFIX=$(out)"
   ];
 
-  buildInputs = [ qt5.script ];
+  buildInputs = [ qtscript ];
 
   meta = with stdenv.lib; {
     description = "Play and download Youtube videos";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ae9e4e964a5a..da833ab58923 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12579,7 +12579,7 @@ let
 
   smplayer = qt5.callPackage ../applications/video/smplayer { };
 
-  smtube = callPackage ../applications/video/smtube {};
+  smtube = qt5.callPackage ../applications/video/smtube {};
 
   sup = callPackage ../applications/networking/mailreaders/sup {
     ruby = ruby_1_9_3.override { cursesSupport = true; };