diff --git a/pkgs/tools/networking/modemmanager/default.nix b/pkgs/tools/networking/modemmanager/default.nix
index dd36f4b7465a..6c4356d04fd4 100644
--- a/pkgs/tools/networking/modemmanager/default.nix
+++ b/pkgs/tools/networking/modemmanager/default.nix
@@ -47,6 +47,7 @@ stdenv.mkDerivation rec {
     gettext
     pkg-config
     libxslt
+    python3
   ];
 
   buildInputs = [