diff --git a/lib/activerecord-reset-pk-sequence.rb b/lib/activerecord-reset-pk-sequence.rb
index b8fae5b..7870f4f 100644
--- a/lib/activerecord-reset-pk-sequence.rb
+++ b/lib/activerecord-reset-pk-sequence.rb
@@ -8,9 +8,9 @@ def self.reset_pk_sequence
         new_max = maximum(primary_key) || 0
         update_seq_sql = "UPDATE sqlite_sequence SET seq = #{new_max} WHERE name = '#{table_name}';"
         ActiveRecord::Base.connection.execute(update_seq_sql)
-      when 'Mysql'
-        new_max = maximum(primary_key) + 1 || 1
-        update_seq_sql = "ALTER TABLE '#{table_name}' AUTO_INCREMENT = #{new_max};"
+      when 'Mysql', 'Mysql2'
+        new_max = maximum(primary_key).to_i + 1
+        update_seq_sql = "ALTER TABLE `#{table_name}` AUTO_INCREMENT = #{new_max};"
         ActiveRecord::Base.connection.execute(update_seq_sql)
       when 'PostgreSQL'
         ActiveRecord::Base.connection.reset_pk_sequence!(table_name)