diff --git a/movmaker.py b/movmaker.py
index 04fb6c5..3f07fde 100755
--- a/movmaker.py
+++ b/movmaker.py
@@ -1210,7 +1210,12 @@ def build_video(
             clip_mix_label = "clip_mix"
 
     final_bg_label = bg_audio_label
-    final_clip_label = clip_mix_label
+    # Pad clip audio so it doesn't terminate the filter chain early
+    if clip_mix_label:
+        filters.append(f"[{clip_mix_label}]apad=whole_dur={total_duration:.3f}[clip_padded]")
+        final_clip_label = "clip_padded"
+    else:
+        final_clip_label = clip_mix_label
 
     if final_bg_label and final_clip_label:
         sc_label = f"{final_clip_label}_sc"