diff --git a/src/Command/Pull/PullCommandBase.php b/src/Command/Pull/PullCommandBase.php
index 672c0222a..8c8faf361 100644
--- a/src/Command/Pull/PullCommandBase.php
+++ b/src/Command/Pull/PullCommandBase.php
@@ -382,7 +382,7 @@ private function dropDbTables(string $dbHost, string $dbUser, string $dbName, st
     $tables = $this->listTablesQuoted($process->getOutput());
     if ($tables) {
       $sql = 'DROP TABLE ' . implode(', ', $tables);
-      $tempnam = $this->localMachineHelper->getFilesystem()->tempnam(sys_get_temp_dir(), 'acli_drop_table', 'sql');
+      $tempnam = $this->localMachineHelper->getFilesystem()->tempnam(sys_get_temp_dir(), 'acli_drop_table_', '.sql');
       $this->localMachineHelper->getFilesystem()->dumpFile($tempnam, $sql);
       $command = [
         'mysql',