diff --git a/asposepdfcloud/api_client.py b/asposepdfcloud/api_client.py
index 59ab8ee..15b5f42 100644
--- a/asposepdfcloud/api_client.py
+++ b/asposepdfcloud/api_client.py
@@ -597,7 +597,7 @@ def __deserialize_file(self, response):
         content_disposition = response.getheader("Content-Disposition")
         if content_disposition and content_disposition != "attachment":
             filename = re.\
-                search(r'filename=[\'"]?([^\'"\s]+)[\'"]?', content_disposition).\
+                search(r'filename=[\'"]?([^\'"\s]+)[\'"]?;', content_disposition).\
                 group(1)
             path = os.path.join(os.path.dirname(path), filename)