diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index c238039d8df..2447d97ee3e 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8433,7 +8433,7 @@ in modules // {
     };
 
     propagatedBuildInputs = with self; [
-      pyGtkGlade pkgs.libtorrentRasterbar twisted Mako chardet pyxdg self.pyopenssl modules.curses
+      pyGtkGlade pkgs.libtorrentRasterbar twisted Mako chardet pyxdg self.pyopenssl modules.curses service-identity
     ];
 
     nativeBuildInputs = [ pkgs.intltool ];