diff --git a/src/cli.ts b/src/cli.ts
index 7c5208fa..ac6419cd 100644
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -111,7 +111,13 @@ async function run(verb: string, files: string[]): Promise<boolean> {
 
   const flags = Object.assign([], files);
   if (flags.length === 0) {
-    flags.push('**/*.ts', '**/*.js');
+    flags.push(
+      '**/*.ts',
+      '**/*.js',
+      '**/*.tsx',
+      '**/*.jsx',
+      '--no-error-on-unmatched-pattern'
+    );
   }
 
   switch (verb) {