diff --git a/README.md b/README.md
index 73d26c3..4924b6b 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ STRIPE_PUBLISHABLE_KEY: 'my_publishable_key'
 
 To run the rails specs, install the plugin and run `bundle exec rake plugin:spec[discourse-donations]` in the discourse root directory.
 
-To run qunit tests: `MODULE='Acceptance: Discourse Donations' rake qunit:test[20000]`.
+To run qunit tests: `MODULE='Acceptance: Discourse Donations' bundle exec rake qunit:test[20000]`.
 
 **Note:**