diff --git a/Justfile b/Justfile
index 687f266..5fe2ccb 100644
--- a/Justfile
+++ b/Justfile
@@ -1,16 +1,10 @@
 builddir := 'build'
 
-with_cpphpp := 'find src -type f \( -name "*.cpp" -o -name "*.hpp" \) -print0 | xargs -0'
-with_cpp := 'find src -type f -name "*.cpp" -print0 | xargs -0'
-
 fmt:
-    {{with_cpphpp}} clang-format -i
+    find src -type f \( -name "*.cpp" -o -name "*.hpp" \) -print0 | xargs -0 clang-format -i
 
 lint:
-    {{with_cpp}} clang-tidy --load={{ env_var("TIDYFOX") }}
-
-fixlint:
-    {{with_cpp}} clang-tidy --load={{ env_var("TIDYFOX") }}
+	find src -type f -name "*.cpp" -print0 | parallel -q0 --eta clang-tidy --load={{ env_var("TIDYFOX") }}
 
 configure target='debug' *FLAGS='':
 	cmake -B {{builddir}} \
diff --git a/shell.nix b/shell.nix
index 357b037..a2c94be 100644
--- a/shell.nix
+++ b/shell.nix
@@ -10,6 +10,7 @@ in pkgs.mkShell {
   nativeBuildInputs = with pkgs; [
     just
     clang-tools_17
+    parallel
     cmake
 
     pkg-config