diff --git a/mysql_database_backup.rb b/mysql_database_backup.rb
index ca7f7c3..edfad7b 100644
--- a/mysql_database_backup.rb
+++ b/mysql_database_backup.rb
@@ -58,13 +58,13 @@ class MysqlDatabaseBackup
     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}`
+      file_id = existing_file.match(/"fileId": "([^"]+)"/)[1]
+      `b2 delete-file-version #{@b2_bucket_name} #{b2_file_name} #{file_id}`
       puts "Deleted existing backup file from B2 bucket: #{b2_file_url}"
     end
     # Upload the backup file to the B2 bucket
 
-    `b2-cli upload-file #{@b2_bucket_name} #{backup_file} #{b2_file_name}`
+    `b2 upload-file #{@b2_bucket_name} #{backup_file} #{b2_file_name}`
     puts "Uploaded backup file to B2 bucket: #{b2_file_url}"
   end
 end