diff --git a/spec/lib/plugin/instance_spec.rb b/spec/lib/plugin/instance_spec.rb
index eb69b610340..656b52aaac6 100644
--- a/spec/lib/plugin/instance_spec.rb
+++ b/spec/lib/plugin/instance_spec.rb
@@ -675,7 +675,10 @@ TEXT
   end
 
   describe "#replace_flags" do
-    after { PostActionType.replace_flag_settings(nil) }
+    after do
+      PostActionType.replace_flag_settings(nil)
+      Flag.reset_flag_settings!
+    end
 
     let(:original_flags) { PostActionType.flag_settings }