diff --git a/pkgs/applications/office/mendeley/default.nix b/pkgs/applications/office/mendeley/default.nix
index b78eaa9fd3f..c2b6dc710ba 100644
--- a/pkgs/applications/office/mendeley/default.nix
+++ b/pkgs/applications/office/mendeley/default.nix
@@ -15,7 +15,13 @@
 , orc
 , nss
 , nspr
-, qt5
+, qtbase
+, qtsvg
+, qtdeclarative
+, qtwebchannel
+, qtquickcontrols
+, qtwebkit
+, qtwebengine
 , sqlite
 , xorg
 , xlibs
@@ -47,13 +53,13 @@ let
     else "11z65mj1a2rw6cwfarl8r1vzpcz4ww5mgvd5fyv31l60mbmnqkap";
 
   deps = [
-    qt5.qtbase
-    qt5.qtsvg
-    qt5.qtdeclarative
-    qt5.qtwebchannel
-    qt5.qtquickcontrols
-    qt5.qtwebkit
-    qt5.qtwebengine
+    qtbase
+    qtsvg
+    qtdeclarative
+    qtwebchannel
+    qtquickcontrols
+    qtwebkit
+    qtwebengine
     alsaLib
     dbus
     freetype
@@ -96,6 +102,8 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ makeWrapper ];
   buildInputs = [ dpkg which ] ++ deps;
 
+  propagatedUserEnvPkgs = [ gconf ];
+
   unpackPhase = "true";
 
   installPhase = ''
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7a4fa484438..fce9d20b726 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -15903,8 +15903,7 @@ with pkgs;
 
   mcomix = callPackage ../applications/graphics/mcomix { };
 
-  mendeley = callPackage ../applications/office/mendeley {
-    qt5 = qt56;
+  mendeley = libsForQt56.callPackage ../applications/office/mendeley {
     gconf = pkgs.gnome2.GConf;
   };