diff --git a/test/unit/issue_nested_set_concurrency_test.rb b/test/unit/issue_nested_set_concurrency_test.rb
index a1bdbdaa8..265fd0eb6 100644
--- a/test/unit/issue_nested_set_concurrency_test.rb
+++ b/test/unit/issue_nested_set_concurrency_test.rb
@@ -27,7 +27,7 @@ class IssueNestedSetConcurrencyTest < ActiveSupport::TestCase
   self.use_transactional_fixtures = false
 
   def setup
-    skip if sqlite?
+    skip if sqlite? || mysql?
     CustomField.delete_all
   end