diff --git a/lib/td/command/import.rb b/lib/td/command/import.rb
index 3dcd5630..fcb7977d 100644
--- a/lib/td/command/import.rb
+++ b/lib/td/command/import.rb
@@ -387,7 +387,7 @@ def generate_seed_confing(format, arg, options)
       end
     when 'mysql'
       arg = arg[1] unless arg.class == String
-      {'in' => parse_mysql_args(arg, options), 'out' => {'mode' => 'append'}}
+      generate_mysql_config(arg, options)
     else
       # NOOP
     end
@@ -433,30 +433,33 @@ def normalize_path_prefix(path)
     path.gsub(/\*.*/, '')
   end
 
-  def parse_mysql_args(arg, options)
+  def generate_mysql_config(arg, options)
     mysql_url_regexp = Regexp.new("[jdbc:]*mysql://(?<host>[^:/]*)[:]*(?<port>[^/]*)/(?<db_name>.*)")
+
     config = if (match = mysql_url_regexp.match(options['db_url']))
       {
-        'type'     => 'mysql',
         'host'     => match['host'],
         'port'     => match['port'] == '' ? 3306 : match['port'].to_i,
         'database' => match['db_name'],
       }
     else
       {
-        'type'     => 'mysql',
         'host'     => '',
         'port'     => 3306,
         'database' => '',
       }
     end
 
-    config.merge(
-      'user'     => options['db_user'],
-      'password' => options['db_password'],
-      'table'    => arg,
-      'select'   => '*',
-    )
+    {
+      'in' => config.merge(
+        'type'     => 'mysql',
+        'user'     => options['db_user'],
+        'password' => options['db_password'],
+        'table'    => arg,
+        'select'   => '*',
+      ),
+      'out' => td_output_config,
+    }
   end
 
 end
diff --git a/spec/td/command/import_spec.rb b/spec/td/command/import_spec.rb
index 6f36d5dc..7e0b54c1 100644
--- a/spec/td/command/import_spec.rb
+++ b/spec/td/command/import_spec.rb
@@ -204,6 +204,15 @@ module TreasureData::Command
       end
 
       context 'support format' do
+        let(:td_output_config) {
+          {
+            'type' => 'td',
+            'endpoint' => Config.endpoint,
+            'apikey' =>  Config.apikey,
+            'database' => '',
+            'table' => '',
+          }
+        }
         before do
           command.import_config(option)
         end
@@ -224,13 +233,7 @@ module TreasureData::Command
                     'decorders'   => [{'type' => 'gzip'}],
                     'path_prefix' => path_prefix,
                   },
-                  'out' => {
-                    'type' => 'td',
-                    'endpoint' => Config.endpoint,
-                    'apikey' =>  Config.apikey,
-                    'database' => '',
-                    'table' => '',
-                  }
+                  'out' => td_output_config
                 })
               end
             end
@@ -281,9 +284,7 @@ module TreasureData::Command
                 'table'    => table,
                 'select'   => "*",
               },
-              'out' => {
-                'mode' => 'append'
-              }
+              'out' => td_output_config
             }
           }