diff --git a/dsa_downloader/cli.py b/dsa_downloader/cli.py
index 6b35a23..468dafa 100644
--- a/dsa_downloader/cli.py
+++ b/dsa_downloader/cli.py
@@ -17,7 +17,7 @@ def cli(ctx, debug):
 
 @cli.command()
 @click.pass_context
-@click.argument('path_to_apk', type=click.Path())
+@click.argument('path_to_apk', type=click.Path(exists=True))
 @click.argument('output_path', type=click.Path(dir_okay=False), default='out/bootstrap_config.json')
 def extract_config(ctx, path_to_apk, output_path):
     extractor = config_extractor.ConfigExtractor(ctx.obj['DEBUG'])
@@ -26,7 +26,7 @@ def extract_config(ctx, path_to_apk, output_path):
 
 @cli.command()
 @click.pass_context
-@click.argument('path_to_boostrap_config', type=click.Path(), default='out/bootstrap_config.json')
+@click.argument('path_to_boostrap_config', type=click.Path(exists=True), default='out/bootstrap_config.json')
 @click.argument('output_path', type=click.Path(), default='out/langs')
 @click.option('--langs', type=click.Choice(
     ["ChineseTraditional", "ChineseSimplified", "English", "French", "German", "Italian", "Japanese", "Korean",
@@ -41,7 +41,7 @@ def download_langs(ctx, path_to_boostrap_config, output_path, langs):
 
 @cli.command()
 @click.pass_context
-@click.argument('path_to_boostrap_config', type=click.Path(), default='out/bootstrap_config.json')
+@click.argument('path_to_boostrap_config', type=click.Path(exists=True), default='out/bootstrap_config.json')
 @click.argument('output_path', type=click.Path(), default='out/assets')
 @click.argument('extracted_path', type=click.Path(), default='out/assets_extracted')
 @click.option('--extract_asset', type=click.BOOL, default=True)