diff --git a/app/services/task.py b/app/services/task.py
index c2c1048..ccbe4e4 100644
--- a/app/services/task.py
+++ b/app/services/task.py
@@ -162,7 +162,7 @@ def generate_final_videos(
     final_video_paths = []
     combined_video_paths = []
     video_concat_mode = (
-        params.video_concat_mode if params.video_count > 1 else VideoConcatMode.random
+        params.video_concat_mode if params.video_count == 1 else VideoConcatMode.random
     )
 
     _progress = 50
diff --git a/webui/Main.py b/webui/Main.py
index fcbb66e..9456159 100644
--- a/webui/Main.py
+++ b/webui/Main.py
@@ -542,7 +542,7 @@ with middle_panel:
         params.video_aspect = VideoAspect(video_aspect_ratios[selected_index][1])
 
         params.video_clip_duration = st.selectbox(
-            tr("Clip Duration"), options=[2, 3, 4, 5, 6], index=1
+            tr("Clip Duration"), options=[2, 3, 4, 5, 6, 7, 8, 9, 10], index=1
         )
         params.video_count = st.selectbox(
             tr("Number of Videos Generated Simultaneously"),