diff --git a/murex.nix b/murex.nix
index 1092fcb..ad75308 100644
--- a/murex.nix
+++ b/murex.nix
@@ -88,17 +88,18 @@
       };
     }; in
     [
-      (buildPythonPackage rec {
-        pname = "OctoPrint-PrintTimeGenius";
-        version = "1.3";
-        src = fetchFromGitHub {
-          owner = "eyal0";
-          repo = pname;
-          rev = version;
-          sha256 = "1jfiih8vpd1x5yk2yq9sgi0rbjh2ipasj39vs2dmfm3va2fhy75l";
-        };
-        propagatedBuildInputs = [ octoprint ];
-      })
+      # bundles binary which is not built for aarch64 :-(
+      # (buildPythonPackage rec {
+      #   pname = "OctoPrint-PrintTimeGenius";
+      #   version = "1.3";
+      #   src = fetchFromGitHub {
+      #     owner = "eyal0";
+      #     repo = pname;
+      #     rev = version;
+      #     sha256 = "1jfiih8vpd1x5yk2yq9sgi0rbjh2ipasj39vs2dmfm3va2fhy75l";
+      #   };
+      #   propagatedBuildInputs = [ octoprint ];
+      # })
       (buildPythonPackage rec {
         pname = "OctoPrint-TouchUI";
         version = "0.3.13";