diff --git a/packages/cli/src/commands/plugin/diff.ts b/packages/cli/src/commands/plugin/diff.ts
index 416d67869b..fb96250567 100644
--- a/packages/cli/src/commands/plugin/diff.ts
+++ b/packages/cli/src/commands/plugin/diff.ts
@@ -39,6 +39,11 @@ const fileHandlers = [
     patterns: ['package.json'],
     handler: handlers.packageJson,
   },
+  {
+    // Not all plugins have routes
+    patterns: ['src/routes.ts'],
+    handler: handlers.skip,
+  },
   {
     // make sure files in 1st level of src/ and dev/ exist
     patterns: ['.eslintrc.js', /^(src|dev)\/[^/]+$/],