diff --git a/app/assets/javascripts/discourse/tests/helpers/create-pretender.js b/app/assets/javascripts/discourse/tests/helpers/create-pretender.js
index 5f064c12a02..4d450ceb1d5 100644
--- a/app/assets/javascripts/discourse/tests/helpers/create-pretender.js
+++ b/app/assets/javascripts/discourse/tests/helpers/create-pretender.js
@@ -1143,4 +1143,5 @@ export function resetPretender() {
   instance.handledRequests = [];
   instance.unhandledRequests = [];
   instance.passthroughRequests = [];
+  instance.hosts.registries = {};
 }