diff --git a/Gemfile b/Gemfile
index ff5254406..732333daf 100644
--- a/Gemfile
+++ b/Gemfile
@@ -69,7 +69,7 @@ if File.exist?(database_file)
   if adapters.any?
     adapters.each do |adapter|
       case adapter.strip
-      when 'mysql2'
+      when /mysql2/
         gem 'mysql2', '~> 0.5.0'
         gem "with_advisory_lock"
       when /postgresql/