diff --git a/.envrc b/.envrc
index 2adc787..3550a30 100644
--- a/.envrc
+++ b/.envrc
@@ -1,2 +1 @@
 use flake
-watch_file *.nix
diff --git a/flake.nix b/flake.nix
index ce85ab3..1b14c2e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,16 +4,46 @@
   outputs = { self, nixpkgs }:
     let
       system = "x86_64-linux";
-      pkgs = import nixpkgs { inherit system; };
+      pkgs = import nixpkgs {
+        inherit system;
+        overlays = [
+          (self: super: {
+            jogl = super.jogl.overrideAttrs {
+              # upstream jogl doesn't have the required gluegen lib
+              installPhase = ''
+                runHook preInstall
+
+                mkdir -p $out/share/java
+                cp -v $NIX_BUILD_TOP/gluegen/build/gluegen-rt{,-natives-linux-*}.jar $out/share/java/
+                cp -v $NIX_BUILD_TOP/jogl/build/jar/jogl-all{,-natives-linux-*}.jar  $out/share/java/
+                cp -v $NIX_BUILD_TOP/jogl/build/nativewindow/nativewindow{,-awt,-natives-linux-*,-os-drm,-os-x11}.jar  $out/share/java/
+
+                mkdir -p $out/lib
+                cp -v $NIX_BUILD_TOP/gluegen/build/obj/*.so $out/lib
+                cp -v $NIX_BUILD_TOP/gluegen/build/test/build/natives/*.so $out/lib
+                cp -v $NIX_BUILD_TOP/jogl/build/jogl/obj/jogl/*.so $out/lib
+                cp -v $NIX_BUILD_TOP/jogl/build/jogl/obj/*.so $out/lib
+                cp -v $NIX_BUILD_TOP/jogl/build/lib/*.so $out/lib
+                cp -v $NIX_BUILD_TOP/jogl/build/nativewindow/obj/*.so $out/lib
+                cp -v $NIX_BUILD_TOP/jogl/build/newt/obj/*.so $out/lib
+                cp -v $NIX_BUILD_TOP/jogl/build/oculusvr/obj/*.so $out/lib
+
+                runHook postInstall
+              '';
+            };
+          })
+        ];
+      };
       lib = pkgs.lib;
     in {
-      devShell.${system} = pkgs.mkShell rec {
+      devShells.${system}.default = pkgs.mkShell rec {
         name = "quil-env";
-        buildInputs = with pkgs; [
-          xorg_sys_opengl
-          xorg.libXxf86vm 
-          xwayland
-          clojure
+        buildInputs = [
+          pkgs.xorg_sys_opengl
+          pkgs.xorg.libXxf86vm 
+          pkgs.xwayland
+          pkgs.clojure
+          # pkgs.jogl
         ];
         LD_LIBRARY_PATH = "${lib.makeLibraryPath buildInputs}";
         
@@ -26,7 +56,7 @@
         # we need to make sure the library is on the path for JOGL;
         # also, there's a bug that is avoided with the variable
         # https://github.com/processing/processing/issues/5476
-        JAVA_OPTS = "-Djogl.disable.openglcore=false";
+        # JAVA_OPTS = "-Djogl.disable.openglcore=false";
         # XDG_SESSION_TYPE = "wayland";
         # LIBGL_ALWAYS_SOFTWARE = true; # ← this is the same as passing -Djogl.disable.openglcore="true"
       };