Update app.py

app.py

@@ -42,7 +42,7 @@ def convert_image_ffmpeg(image, target_format):
         image_path = os.path.join(temp_dir, f"{sanitized_base_name}.png")  # Saving as mp4 by default for now
         
         # Nama file keluaran dengan awalan yang diinginkan
-        output_file = f"flowly_ai_image_converter_{base_name}.{target_format.lower()}"
+        output_file = f"flowly_ai_image_converter_{sanitized_base_name}.{target_format.lower()}"
 
         with open(image_path, "wb") as f:
             f.write(image.getbuffer())  # Save the uploaded video to a local file