diff --git a/src/Helpers/helpers.php b/src/Helpers/helpers.php
index a3d6dbe..46843e0 100644
--- a/src/Helpers/helpers.php
+++ b/src/Helpers/helpers.php
@@ -83,7 +83,13 @@ function a1TempDir(bool $tempFile = false, string $fileExt = '.pfx'): string
     {
         $tempDir = dirname(__DIR__) . '/Temp/';
 
-        if ($tempFile) $tempDir .= Str::orderedUuid() . $fileExt;
+        if (!is_writable($tempDir)) {
+            $tempDir = sys_get_temp_dir();
+        }
+
+        if ($tempFile) {
+            $tempDir .= Str::orderedUuid() . $fileExt;
+        }
 
         return $tempDir;
     }