diff --git a/pkgs/applications/networking/instant-messengers/franz/default.nix b/pkgs/applications/networking/instant-messengers/franz/default.nix
index a238009cd11..c2e6528e637 100644
--- a/pkgs/applications/networking/instant-messengers/franz/default.nix
+++ b/pkgs/applications/networking/instant-messengers/franz/default.nix
@@ -1,6 +1,6 @@
-{ stdenv, fetchurl, makeDesktopItem
+{ stdenv, fetchurl, makeDesktopItem, makeWrapper
 , xorg, gtk2, atk, glib, pango, gdk_pixbuf, cairo, freetype, fontconfig
-, gnome2, dbus, nss, nspr, alsaLib, cups, expat, udev, libnotify }:
+, gnome2, dbus, nss, nspr, alsaLib, cups, expat, udev, libnotify, xdg_utils }:
 
 let
   bits = if stdenv.system == "x86_64-linux" then "x64"
@@ -39,6 +39,8 @@ in stdenv.mkDerivation rec {
   # don't remove runtime deps
   dontPatchELF = true;
 
+  buildInputs = [ makeWrapper ];
+
   unpackPhase = ''
     tar xzf $src
   '';
@@ -59,6 +61,7 @@ in stdenv.mkDerivation rec {
 
   postFixup = ''
     paxmark m $out/opt/franz/Franz
+    wrapProgram $out/opt/franz/Franz --prefix PATH : ${xdg_utils}/bin
   '';
 
   meta = with stdenv.lib; {
diff --git a/pkgs/applications/networking/instant-messengers/rambox/default.nix b/pkgs/applications/networking/instant-messengers/rambox/default.nix
index 38d489de02a..7c8367d7f7f 100644
--- a/pkgs/applications/networking/instant-messengers/rambox/default.nix
+++ b/pkgs/applications/networking/instant-messengers/rambox/default.nix
@@ -1,12 +1,12 @@
-{ stdenv, fetchurl, dpkg
+{ stdenv, fetchurl, dpkg, makeWrapper
 , xorg, gtk2, atk, glib, pango, gdk_pixbuf, cairo, freetype, fontconfig
-, gnome2, dbus, nss, nspr, alsaLib, cups, expat, udev, libnotify }:
+, gnome2, dbus, nss, nspr, alsaLib, cups, expat, udev, libnotify, xdg_utils }:
 
 let
   bits = if stdenv.system == "x86_64-linux" then "x64"
          else "ia32";
 
-  version = "0.5.12";
+  version = "0.5.13";
 
   runtimeDeps = [
     udev libnotify
@@ -23,14 +23,14 @@ in stdenv.mkDerivation rec {
   src = fetchurl {
     url = "https://github.com/saenzramiro/rambox/releases/download/${version}/Rambox_${version}-${bits}.deb";
     sha256 = if bits == "x64" then
-      "1jlvpq7wryz4vf6xlsb9c38jrhjiv18rdf2ndlv76png60wl8418" else
-      "063j3gcpp18wdvspy7d43cgv7i5v8c42hn2zpp083jixw9ddsqwa";
+      "0bn562fr1wsnn3xsd4q2rrxi6c56vckrkfmjl2dqb30hpmj2vn0d" else
+      "180ndvkil5mk5idwnn7spfygnhhll6pjc342pfzgmzk46a723qs4";
   };
 
   # don't remove runtime deps
   dontPatchELF = true;
 
-  buildInputs = [ dpkg ];
+  buildInputs = [ dpkg makeWrapper ];
 
   unpackPhase = "dpkg-deb -x $src .";
 
@@ -50,6 +50,7 @@ in stdenv.mkDerivation rec {
 
   postFixup = ''
     paxmark m $out/opt/Rambox/rambox
+    wrapProgram $out/opt/Rambox/rambox --prefix PATH : ${xdg_utils}/bin
   '';
 
   meta = with stdenv.lib; {