diff --git a/home/isabel/packages.nix b/home/isabel/packages.nix
index 37a481dd..45c8f36a 100644
--- a/home/isabel/packages.nix
+++ b/home/isabel/packages.nix
@@ -21,7 +21,7 @@ in
         # gum # a nicer scripting
         jq # json parser
         just # cool build tool
-        nix-output-monitor # much nicer nix build output
+        # nix-output-monitor # much nicer nix build output
         rsync
         unzip
         wakatime-cli
@@ -29,6 +29,20 @@ in
         # keep-sorted end
         ;
 
+      # nom >= 2.1.7 breaks with lix so lets just use an older version for now.
+      # also add a warning to eventually force me to fix this instead of forgetting
+      nix-output-monitor =
+        if lib.versionAtLeast pkgs.nix-output-monitor.version "2.1.9" then
+          throw "time to update nix-output-monitor. also rember to change the shell.nix"
+        else
+          pkgs.nix-output-monitor.overrideAttrs {
+            version = "2.1.6";
+            src = pkgs.fetchzip {
+              url = "https://code.maralorn.de/maralorn/nix-output-monitor/archive/v2.1.6.tar.gz";
+              sha256 = "sha256-YfxFcGD9U7RzctnTRUQX1Nsz2EtiDIUGpz2nTo0OSWw=";
+            };
+          };
+
       inherit (inputs'.extersia.packages) zzz; # code snippets in the cli
     })
 
diff --git a/modules/flake/programs/shell.nix b/modules/flake/programs/shell.nix
index a5d52960..44958a70 100644
--- a/modules/flake/programs/shell.nix
+++ b/modules/flake/programs/shell.nix
@@ -3,7 +3,7 @@
   just,
   gitMinimal,
   sops,
-  nix-output-monitor,
+  # nix-output-monitor,
   treefmt-wrapped,
 }:
 mkShellNoCC {
@@ -14,7 +14,7 @@ mkShellNoCC {
     gitMinimal # we need git
     sops # secrets management
     treefmt-wrapped # nix formatter
-    nix-output-monitor # get clean diff between generations
+    # nix-output-monitor # get clean diff between generations
   ];
 
   inputsFrom = [ treefmt-wrapped ];