diff --git a/pkgs/by-name/me/megaglest/package.nix b/pkgs/by-name/me/megaglest/package.nix
index 642af48e9099..81b2a6b0843e 100644
--- a/pkgs/by-name/me/megaglest/package.nix
+++ b/pkgs/by-name/me/megaglest/package.nix
@@ -117,6 +117,7 @@ stdenv.mkDerivation {
   buildInputs = [
     curl
     SDL2
+    xorg.libX11
     xercesc
     openal
     lua