diff --git a/pkgs/applications/networking/remote/citrix-receiver/default.nix b/pkgs/applications/networking/remote/citrix-receiver/default.nix
index d5982f33e78e..a721900f20a3 100644
--- a/pkgs/applications/networking/remote/citrix-receiver/default.nix
+++ b/pkgs/applications/networking/remote/citrix-receiver/default.nix
@@ -23,7 +23,7 @@
 , alsaLib
 , libidn
 , zlib
-, version ? null
+, version ? "13.9.0"
 }:
 
 let
diff --git a/pkgs/development/interpreters/dart/default.nix b/pkgs/development/interpreters/dart/default.nix
index 17f124e79890..ae7f8686b781 100644
--- a/pkgs/development/interpreters/dart/default.nix
+++ b/pkgs/development/interpreters/dart/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, unzip, version }:
+{ stdenv, fetchurl, unzip, version ? "1.24.3" }:
 
 let
 
@@ -57,9 +57,9 @@ stdenv.mkDerivation {
   '';
 
   libPath = stdenv.lib.makeLibraryPath [ stdenv.cc.cc ];
- 
+
   dontStrip = true;
-  
+
   meta = {
     platforms = [ "i686-linux" "x86_64-linux" ];
     homepage = https://www.dartlang.org/;
diff --git a/pkgs/development/libraries/libappindicator/default.nix b/pkgs/development/libraries/libappindicator/default.nix
index 6c87588fd3d7..71c388be6ea5 100644
--- a/pkgs/development/libraries/libappindicator/default.nix
+++ b/pkgs/development/libraries/libappindicator/default.nix
@@ -2,7 +2,7 @@
 
 { stdenv, fetchurl, lib, file
 , pkgconfig, autoconf
-, glib, dbus-glib, gtkVersion
+, glib, dbus-glib, gtkVersion ? "3"
 , gtk2 ? null, libindicator-gtk2 ? null, libdbusmenu-gtk2 ? null
 , gtk3 ? null, libindicator-gtk3 ? null, libdbusmenu-gtk3 ? null
 , python2Packages, gobjectIntrospection, vala
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 7576a7a07577..03748be76a1b 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -336,7 +336,7 @@ mapAliases (rec {
     gst-ffmpeg = pkgs.gst-ffmpeg;
   };
 } // (with ocaml-ng; { # added 2016-09-14
-p  ocaml_3_08_0 = ocamlPackages_3_08_0.ocaml;
+  ocaml_3_08_0 = ocamlPackages_3_08_0.ocaml;
   ocaml_3_10_0 = ocamlPackages_3_10_0.ocaml;
   ocaml_3_11_2 = ocamlPackages_3_11_2.ocaml;
   ocaml_3_12_1 = ocamlPackages_3_12_1.ocaml;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index db72b9b42b38..cf4df5ae360d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9255,15 +9255,15 @@ with pkgs;
 
   gtk-sharp-beans = callPackage ../development/libraries/gtk-sharp-beans { };
 
-  gtk-mac-integration = callPackage ../development/libraries/gtk-mac-integration { };
+  gtk-mac-integration = callPackage ../development/libraries/gtk-mac-integration {
+    gtk = gtk3;
+  };
 
-  gtk-mac-integration-gtk2 = gtk-macintegration.override {
+  gtk-mac-integration-gtk2 = gtk-mac-integration.override {
     gtk = gtk2;
   };
 
-  gtk-mac-integration-gtk3 = gtk-mac-integration.override {
-    gtk = gtk3;
-  };
+  gtk-mac-integration-gtk3 = gtk-mac-integration;
 
   gtk-mac-bundler = callPackage ../development/tools/gtk-mac-bundler {};
 
@@ -15925,7 +15925,7 @@ with pkgs;
   };
 
   graphicsmagick = callPackage ../applications/graphics/graphicsmagick { };
-  graphicsmagick_q16 = graphicsmagic.override { quantumdepth = 16; };
+  graphicsmagick_q16 = graphicsmagick.override { quantumdepth = 16; };
 
   grisbi = callPackage ../applications/office/grisbi { gtk = gtk2; };