1 files changed, 2 insertions, 0 deletions

diff --git a/matweb/utils.py b/matweb/utils.py
index ec9b99c..20c213d 100644
--- a/matweb/utils.py
+++ b/matweb/utils.py
@@ -65,6 +65,8 @@ def get_supported_extensions():
 
 def save_file(file, upload_folder):
     filename = secure_filename(file.filename)
+    if not filename:
+        raise ValueError('Invalid Filename')
     filepath = os.path.join(upload_folder, filename)
     file.save(os.path.join(filepath))
     return filename, filepath