diff --git a/spec/components/discourse_redis_spec.rb b/spec/components/discourse_redis_spec.rb
index 3a6873becb8..a6568427ef9 100644
--- a/spec/components/discourse_redis_spec.rb
+++ b/spec/components/discourse_redis_spec.rb
@@ -93,6 +93,7 @@ describe DiscourseRedis do
   describe DiscourseRedis::FallbackHandler do
     after do
       fallback_handler.master = true
+      MessageBus.keepalive_interval = -1
     end
 
     describe '#initiate_fallback_to_master' do