diff --git a/pkgs/applications/networking/instant-messengers/telepathy/gabble/default.nix b/pkgs/applications/networking/instant-messengers/telepathy/gabble/default.nix
index 3b1775a7ba8c..b3fe15fcaac6 100644
--- a/pkgs/applications/networking/instant-messengers/telepathy/gabble/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telepathy/gabble/default.nix
@@ -1,5 +1,7 @@
-{ lib, stdenv, fetchurl, pkg-config, libxslt, telepathy-glib, python2, libxml2, dbus-glib, dbus
-, sqlite, libsoup, libnice, gnutls}:
+{ lib, stdenv, fetchurl, pkg-config, libxslt, telepathy-glib, python3, libxml2, dbus-glib, dbus
+, sqlite, libsoup, libnice, gnutls
+, fetchpatch
+}:
 
 stdenv.mkDerivation rec {
   pname = "telepathy-gabble";
@@ -10,8 +12,15 @@ stdenv.mkDerivation rec {
     sha256 = "174nlkqm055vrhv11gy73m20jbsggcb0ddi51c7s9m3j5ibr2p0i";
   };
 
-  nativeBuildInputs = [ pkg-config libxslt ];
-  buildInputs = [ libxml2 dbus-glib sqlite libsoup libnice telepathy-glib gnutls python2 ];
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/archlinux/svntogit-packages/raw/edcf78c831894000f2fbfd3e5818e363911c746a/trunk/telepathy-gabble-0.18.4-python3.patch";
+      hash = "sha256-bvcZW6gbCNogqwPDaXHTbohe7c2GAYjXeHGyBEDVsB4=";
+    })
+  ];
+
+  nativeBuildInputs = [ pkg-config libxslt python3 ];
+  buildInputs = [ libxml2 dbus-glib sqlite libsoup libnice telepathy-glib gnutls ];
 
   checkInputs = [ dbus.daemon ];