diff --git a/pkgs/applications/science/chemistry/avogadro2/default.nix b/pkgs/applications/science/chemistry/avogadro2/default.nix
index 6cf599030f9c..6931c8621c96 100644
--- a/pkgs/applications/science/chemistry/avogadro2/default.nix
+++ b/pkgs/applications/science/chemistry/avogadro2/default.nix
@@ -2,7 +2,15 @@
 , openbabel, qttools, wrapQtAppsHook
 }:
 
-stdenv.mkDerivation rec {
+let
+  avogadroI18N = fetchFromGitHub {
+    owner = "OpenChemistry";
+    repo = "avogadro-i18n";
+    rev = "3b8a86cc37e988b043d1503d2f11068389b0aca3";
+    sha256 = "9wLY7/EJyIZYnlUAMsViCwD5kGc1vCNbk8vUhb90LMQ=";
+  };
+
+in stdenv.mkDerivation rec {
   pname = "avogadro2";
   version = "1.95.1";
 
@@ -13,6 +21,10 @@ stdenv.mkDerivation rec {
     sha256 = "9GnsxQsMuik6CPDmJbJPF0/+LXbZHf/JLevpSsMEoP0=";
   };
 
+  postUnpack = ''
+    cp -r ${avogadroI18N} avogadro-i18n
+  '';
+
   nativeBuildInputs = [ cmake wrapQtAppsHook ];
 
   buildInputs = [