diff --git a/config/initializers/002-rails_failover.rb b/config/initializers/002-rails_failover.rb
index 5e783de7344..5214e69755f 100644
--- a/config/initializers/002-rails_failover.rb
+++ b/config/initializers/002-rails_failover.rb
@@ -31,7 +31,7 @@ if defined?(RailsFailover::ActiveRecord)
   end
 
   RailsFailover::ActiveRecord.on_failover do
-    if RailsMultisite::ConnectionManagement.current_db = RailsMultisite::ConnectionManagement::DEFAULT
+    if RailsMultisite::ConnectionManagement.current_db == RailsMultisite::ConnectionManagement::DEFAULT
       RailsMultisite::ConnectionManagement.each_connection do
         Discourse.enable_readonly_mode(Discourse::PG_READONLY_MODE_KEY)
         Sidekiq.pause!("pg_failover") if !Sidekiq.paused?