diff --git a/.editorconfig b/.editorconfig
index ef4e49d..8d5b7df 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -7,7 +7,7 @@ end_of_line = lf
 insert_final_newline = true
 trim_trailing_whitespace = true
 
-[*.sh]
+[git-check-assertions]
 indent_size = 2
 
 [*.nix]
diff --git a/flake.nix b/flake.nix
index 588b7bc..ec37673 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,7 +17,7 @@
         packages.default = pkgs.writeShellApplication {
           name = "git-check-assertions";
           runtimeInputs = [ pkgs.git ];
-          text = builtins.readFile ./git-check-assertions.sh;
+          text = builtins.readFile ./git-check-assertions;
         };
         devShells.default = pkgs.mkShell {
           packages = with pkgs; [ bats ];
diff --git a/git-check-assertions.sh b/git-check-assertions
similarity index 100%
rename from git-check-assertions.sh
rename to git-check-assertions