diff --git a/lib/backup_restore/backup_restore.rb b/lib/backup_restore/backup_restore.rb
index af4670fb125..0b50e094fbd 100644
--- a/lib/backup_restore/backup_restore.rb
+++ b/lib/backup_restore/backup_restore.rb
@@ -7,7 +7,8 @@ module BackupRestore
   class OperationRunningError < RuntimeError; end
 
   VERSION_PREFIX = "v".freeze
-  DUMP_FILE = "dump.sql"
+  DUMP_FILE = "dump.sql.gz".freeze
+  OLD_DUMP_FILE = "dump.sql".freeze
   METADATA_FILE = "meta.json"
   LOGS_CHANNEL = "/admin/backups/logs"
 
diff --git a/lib/backup_restore/backuper.rb b/lib/backup_restore/backuper.rb
index 39800d4bea8..0bb87b8cf54 100644
--- a/lib/backup_restore/backuper.rb
+++ b/lib/backup_restore/backuper.rb
@@ -81,7 +81,7 @@ module BackupRestore
       @current_db = RailsMultisite::ConnectionManagement.current_db
       @timestamp = Time.now.strftime("%Y-%m-%d-%H%M%S")
       @tmp_directory = File.join(Rails.root, "tmp", "backups", @current_db, @timestamp)
-      @dump_filename = "#{File.join(@tmp_directory, BackupRestore::DUMP_FILE)}.gz"
+      @dump_filename = File.join(@tmp_directory, BackupRestore::DUMP_FILE)
       @archive_directory = File.join(Rails.root, "public", "backups", @current_db)
       @archive_basename = File.join(@archive_directory, "#{SiteSetting.title.parameterize}-#{@timestamp}-#{BackupRestore::VERSION_PREFIX}#{BackupRestore.current_version}")
 
diff --git a/lib/backup_restore/restorer.rb b/lib/backup_restore/restorer.rb
index 126c3dbdebe..4a016cbec1b 100644
--- a/lib/backup_restore/restorer.rb
+++ b/lib/backup_restore/restorer.rb
@@ -116,9 +116,9 @@ module BackupRestore
       @dump_filename =
         if @is_archive
           if system('tar', '--list', '--file', @source_filename, BackupRestore::OLD_DUMP_FILE)
-            File.join(@tmp_directory, BackupRestore::DUMP_FILE)
+            File.join(@tmp_directory, BackupRestore::OLD_DUMP_FILE)
           else
-            File.join(@tmp_directory, "#{BackupRestore::DUMP_FILE}.gz")
+            File.join(@tmp_directory, BackupRestore::DUMP_FILE)
           end
         else
           File.join(@tmp_directory, @filename)