diff --git a/pkgs/development/python-modules/transitions/default.nix b/pkgs/development/python-modules/transitions/default.nix
index c469875728cd..752cd8fb4d55 100644
--- a/pkgs/development/python-modules/transitions/default.nix
+++ b/pkgs/development/python-modules/transitions/default.nix
@@ -33,6 +33,7 @@ buildPythonPackage rec {
 
   preCheck = ''
     export FONTCONFIG_FILE=${fontconfig.out}/etc/fonts/fonts.conf
+    export HOME=$TMPDIR
   '';
 
   meta = with lib; {