diff --git a/mysql_database_backup.rb b/mysql_database_backup.rb
index abdc53b..e5e7d99 100644
--- a/mysql_database_backup.rb
+++ b/mysql_database_backup.rb
@@ -27,7 +27,6 @@ class MysqlDatabaseBackup
     return unless @b2_enabled
 
     upload_to_b2(backup_file)
-
   end
 
   def delete_old_backups
@@ -52,16 +51,16 @@ class MysqlDatabaseBackup
     b2_file_url = "b2://#{@b2_bucket_name}/#{b2_file_name}"
     # Check if a backup file with the same name already exists in the B2 bucket
 
-    existing_file = b2-cli list-file-names #{@b2_bucket_name} --prefix #{b2_file_name}
+    existing_file = `b2-cli list-file-names #{@b2_bucket_name} --prefix #{b2_file_name}`
     if existing_file.include?(b2_file_name)
-    # Delete the existing backup file from the B2 bucket
-    file_version = existing_file.match(/"fileId": "([^"]+)"/)[1]
-    b2-cli delete-file-version #{@b2_bucket_name} #{b2_file_name} #{file_version}
-    puts "Deleted existing backup file from B2 bucket: #{b2_file_url}"
+      # Delete the existing backup file from the B2 bucket
+      file_version = existing_file.match(/"fileId": "([^"]+)"/)[1]
+      `b2-cli delete-file-version #{@b2_bucket_name} #{b2_file_name} #{file_version}`
+      puts "Deleted existing backup file from B2 bucket: #{b2_file_url}"
     end
-    Upload the backup file to the B2 bucket
+    # Upload the backup file to the B2 bucket
 
-    b2-cli upload-file #{@b2_bucket_name} #{backup_file} #{b2_file_name}
+    `b2-cli upload-file #{@b2_bucket_name} #{backup_file} #{b2_file_name}`
     puts "Uploaded backup file to B2 bucket: #{b2_file_url}"
-    end
+  end
 end
diff --git a/mysql_database_config.rb b/mysql_database_config.rb
index fa2e6c6..b791577 100644
--- a/mysql_database_config.rb
+++ b/mysql_database_config.rb
@@ -20,10 +20,13 @@ class MysqlDatabaseConfig
       backup_dir = prompt('Backup Directory', default: '.')
 
       b2_enabled = prompt_bool('Enable Backblaze B2?', default: false)
+      config['b2_enabled'] = b2_enabled
       if b2_enabled
-        @b2_key_id = prompt('Backblaze B2 Key ID')
-        @b2_application_key = prompt('Backblaze B2 Application Key')
-        @b2_bucket_name = prompt('Backblaze B2 Bucket Name')
+        config['b2'] = {
+          'key_id' => @b2_key_id,
+          'application_key' => @b2_application_key,
+          'bucket_name' => @b2_bucket_name
+        }
       end
 
       config = {