diff --git a/pkgs/applications/science/logic/tlaplus/toolbox.nix b/pkgs/applications/science/logic/tlaplus/toolbox.nix
index 342d91cf582..f1116a27c0b 100644
--- a/pkgs/applications/science/logic/tlaplus/toolbox.nix
+++ b/pkgs/applications/science/logic/tlaplus/toolbox.nix
@@ -44,7 +44,7 @@ in stdenv.mkDerivation {
       --run "set -x; cd $out/toolbox" \
       --add-flags "-data ~/.tla-toolbox" \
       --prefix PATH : "${jre}/bin" \
-      --prefix LD_LIBRARY_PATH : "${swt}/lib:${gtk}/lib:${libXtst}/lib:${glib}/lib"
+      --prefix LD_LIBRARY_PATH : "${lib.makeLibraryPath [ swt gtk libXtst glib ]}"
 
     echo -e "\nCreating TLA Toolbox icons..."
     pushd "$src"
diff --git a/pkgs/desktops/gnome-3/apps/gnome-documents/default.nix b/pkgs/desktops/gnome-3/apps/gnome-documents/default.nix
index 9948f9d909b..f8ce9545a33 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-documents/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-documents/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
   '';
 
   preFixup = ''
-    substituteInPlace $out/bin/gnome-documents --replace gapplication "${glib.dev}/bin/gapplication"
+    substituteInPlace $out/bin/gnome-documents --replace gapplication "${glib.bin}/bin/gapplication"
   '';
 
   passthru = {