diff --git a/db/migrations/20240808118000_drop_unique_constraint_quota_definitions_name_key.rb b/db/migrations/20240808118000_drop_unique_constraint_quota_definitions_name_key.rb
index 4bd8074c64e..ecf615dc8a1 100644
--- a/db/migrations/20240808118000_drop_unique_constraint_quota_definitions_name_key.rb
+++ b/db/migrations/20240808118000_drop_unique_constraint_quota_definitions_name_key.rb
@@ -2,6 +2,10 @@
   up do
     if self.class.name.match?(/mysql/i)
       alter_table :quota_definitions do
+        # rubocop:disable Sequel/ConcurrentIndex
+        # mysql 5 is not so smart as mysql 8
+        drop_index :name, name: :name if @db.indexes(:quota_definitions).include?(:name)
+        # rubocop:enable Sequel/ConcurrentIndex
         drop_constraint :name, if_exists: true
       end
     elsif self.class.name.match?(/postgres/i)
diff --git a/spec/migrations/20240808118000_drop_unique_constraint_quota_definitions_name_key_spec.rb b/spec/migrations/20240808118000_drop_unique_constraint_quota_definitions_name_key_spec.rb
index f15336878c3..a3558a36707 100644
--- a/spec/migrations/20240808118000_drop_unique_constraint_quota_definitions_name_key_spec.rb
+++ b/spec/migrations/20240808118000_drop_unique_constraint_quota_definitions_name_key_spec.rb
@@ -5,6 +5,7 @@
   include_context 'migration' do
     let(:migration_filename) { '20240808118000_drop_unique_constraint_quota_definitions_name_key_spec.rb' }
   end
+
   describe 'up migration' do
     context 'unique constraint on name column exists' do
       it 'removes the unique constraint' do