diff --git a/pkgs/games/steam/fhsenv.nix b/pkgs/games/steam/fhsenv.nix
index de2163d67844..44bee8ff11a1 100644
--- a/pkgs/games/steam/fhsenv.nix
+++ b/pkgs/games/steam/fhsenv.nix
@@ -105,6 +105,7 @@ in buildFHSUserEnv rec {
     gst_all_1.gstreamer
     gst_all_1.gst-plugins-ugly
     gst_all_1.gst-plugins-base
+    json-glib # paradox launcher (Stellaris)
     libdrm
     libxkbcommon # paradox launcher
     mono