diff --git a/src/segments.js b/src/segments.js
index 70d768c4..988deea8 100644
--- a/src/segments.js
+++ b/src/segments.js
@@ -77,5 +77,5 @@ export function invertSegments(sortedCutSegments, duration) {
 
   // Filter out zero length resulting segments
   // https://github.com/mifi/lossless-cut/issues/909
-  return ret.filter(({ start, end }) => end > start);
+  return ret.filter(({ start, end }) => end == null || start == null || end > start);
 }