diff --git a/pkgs/games/heroic/fhsenv.nix b/pkgs/games/heroic/fhsenv.nix
index 2d1b8f079d2f..54732d0e87d5 100644
--- a/pkgs/games/heroic/fhsenv.nix
+++ b/pkgs/games/heroic/fhsenv.nix
@@ -78,6 +78,7 @@ buildFHSEnv {
     glib
     gnutls
     gtk3
+    icu
     lcms2
     libevdev
     libgcrypt