diff --git a/kitty/shaders/slang.py b/kitty/shaders/slang.py
index 9ca08e175..9d157920d 100644
--- a/kitty/shaders/slang.py
+++ b/kitty/shaders/slang.py
@@ -474,8 +474,8 @@ def compile_builtin_shaders(build_dir: str, dest_dir: str, parallel_run: Paralle
     parallel_run(chain(spirv_commands, glsl_commands))
     fixup_opengl_files(*built_glsl_files)
     if shutil.which('glslangValidator'):
-        from kitty.shaders.validate_shaders import validate_glsl_files
-        validate_glsl_files(built_glsl_files)
+        from kitty.shaders.validate_shaders import validation_command_for_file
+        parallel_run((True, f'Validating |{os.path.basename(x)}| ...', validation_command_for_file(x)) for x in built_glsl_files)
 
 
 def main() -> None:
diff --git a/kitty/shaders/validate_shaders.py b/kitty/shaders/validate_shaders.py
index 7d1002b6f..57ffac038 100755
--- a/kitty/shaders/validate_shaders.py
+++ b/kitty/shaders/validate_shaders.py
@@ -13,17 +13,22 @@ stage_mapping = {
 }
 
 
+def validation_command_for_file(path: str | Path) -> list[str]:
+    file_path = Path(path)
+    matched_ext = next(ext for ext in stage_mapping if file_path.name.endswith(ext))
+    stage = stage_mapping[matched_ext]
+    return ['glslangValidator', '-S', stage, str(file_path)]
+
+
 def validate_glsl_files(shader_files: Iterable[str | Path], verbose: bool = False) -> None:
     error_count = 0
 
     # Process each shader file
     for file_path in sorted(Path(f) for f in shader_files):
         # Identify extension matching suffix
-        matched_ext = next(ext for ext in stage_mapping if file_path.name.endswith(ext))
-        stage = stage_mapping[matched_ext]
         if verbose:
             print(f'Validating: {file_path.name}')
-        result = subprocess.run(['glslangValidator', '-S', stage, str(file_path)],)
+        result = subprocess.run(validation_command_for_file(file_path))
 
         # Check exit code
         if result.returncode != 0: