diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 012889bb2e82..0c5869db6b61 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -141,3 +141,6 @@ acd0e3898feb321cb9a71a0fd376f1157d0f4553
 
 # poptracker: format with nixfmt-rfc-style (#326697)
 ff5c8f6cc3d1f2e017e86d50965c14b71f00567b
+
+# mangal: format with nixfmt-rfc-style #328284
+3bb5e993cac3a6e1c3056d2bc9bf43eb2c7a5951
diff --git a/pkgs/by-name/ma/mangal/package.nix b/pkgs/by-name/ma/mangal/package.nix
index 65e26ee20556..c1d7c1540508 100644
--- a/pkgs/by-name/ma/mangal/package.nix
+++ b/pkgs/by-name/ma/mangal/package.nix
@@ -28,7 +28,7 @@ buildGoModule rec {
 
   postInstall = lib.optionalString (stdenv.hostPlatform == stdenv.buildPlatform) ''
     # Mangal creates a config file in the folder ~/.config/mangal and fails if not possible
-    export MANGAL_CONFIG_PATH=`mktemp -d`
+    export HOME=$(mktemp -d)
     installShellCompletion --cmd mangal \
       --bash <($out/bin/mangal completion bash) \
       --zsh <($out/bin/mangal completion zsh) \