diff --git a/nix/configurations/hydrogen/home/programs.nix b/nix/configurations/hydrogen/home/programs.nix
index 32ed2b56..463485a7 100644
--- a/nix/configurations/hydrogen/home/programs.nix
+++ b/nix/configurations/hydrogen/home/programs.nix
@@ -54,7 +54,6 @@
 
     btop.enable = true;
 
-    # OCaml fails to build on aarch64-linux
     git.patdiff.enable = lib.mkForce false;
   };
 
diff --git a/nix/homeModules/common/git.nix b/nix/homeModules/common/git.nix
index a50ba2a5..68f151c6 100644
--- a/nix/homeModules/common/git.nix
+++ b/nix/homeModules/common/git.nix
@@ -1,12 +1,22 @@
 {
   lib,
   config,
+  pkgs,
   ...
 }: {
   # git plugins
   programs.git = {
     lfs.enable = true;
-    patdiff.enable = true;
+    patdiff.enable = lib.mkMerge [
+      # known to fail on aarch64-linux
+      (lib.mkIf (pkgs.system == "aarch64-linux") (
+        # TODO: investigate this
+        lib.warn "patdiff has been forcibly disabled because it has previously failed to build"
+        lib.mkForce
+        false
+      ))
+      (lib.mkDefault true)
+    ];
   };
 
   # 懶惰鬼賴皮