diff --git a/lib/src/main/java/com/otaliastudios/transcoder/source/ClipDataSource.java b/lib/src/main/java/com/otaliastudios/transcoder/source/ClipDataSource.java
index 48a05bbd..485c11d0 100644
--- a/lib/src/main/java/com/otaliastudios/transcoder/source/ClipDataSource.java
+++ b/lib/src/main/java/com/otaliastudios/transcoder/source/ClipDataSource.java
@@ -15,7 +15,7 @@ public ClipDataSource(@NonNull DataSource source, long clipStartUs) {
     public ClipDataSource(@NonNull DataSource source, long clipStartUs, long clipEndUs) {
         super(new TrimDataSource(source,
                 clipStartUs,
-                getSourceDurationUs(source) - clipEndUs));
+                Math.max(getSourceDurationUs(source) - clipEndUs, 0L)));
     }
 
     private static long getSourceDurationUs(@NonNull DataSource source) {