diff --git a/pkgs/tools/filesystems/zpool-iostat-viz/default.nix b/pkgs/tools/filesystems/zpool-iostat-viz/default.nix
index f5eb7c7f02ef..a9e4dfe8ab74 100644
--- a/pkgs/tools/filesystems/zpool-iostat-viz/default.nix
+++ b/pkgs/tools/filesystems/zpool-iostat-viz/default.nix
@@ -7,6 +7,7 @@
 python3Packages.buildPythonApplication rec {
   pname = "zpool-iostat-viz";
   version = "unstable-2021-11-13";
+  format = "other";
 
   src = fetchFromGitHub {
     owner = "chadmiller";