diff --git a/core/st_utils/download_video_section.py b/core/st_utils/download_video_section.py
index 5f3023e5..fdb204f3 100644
--- a/core/st_utils/download_video_section.py
+++ b/core/st_utils/download_video_section.py
@@ -58,7 +58,7 @@ def download_video_section():
                 with open(os.path.join(OUTPUT_DIR, clean_name), "wb") as f:
                     f.write(uploaded_file.getbuffer())
 
-                if ext.lower() in load_key("allowed_audio_formats"):
+                if ext.lower()[1:] in load_key("allowed_audio_formats"):
                     convert_audio_to_video(os.path.join(OUTPUT_DIR, clean_name))
                 st.rerun()
             else: