diff --git a/lib/hls/hls_parser.js b/lib/hls/hls_parser.js
index 9554e29b64..80690a86a6 100644
--- a/lib/hls/hls_parser.js
+++ b/lib/hls/hls_parser.js
@@ -4127,9 +4127,14 @@ shaka.hls.HlsParser = class {
         'Playlist should have segments!');
     const middleSegmentIdx = Math.trunc((playlist.segments.length - 1) / 2);
 
+    const middleSegment = playlist.segments[middleSegmentIdx];
+    if (shaka.hls.Utils.getFirstTagWithName(middleSegment.tags, 'EXT-X-GAP')) {
+      return this.guessMimeTypeFallback_(contentType);
+    }
+
     const middleSegmentUris = shaka.hls.Utils.constructSegmentUris(
         getUris(),
-        playlist.segments[middleSegmentIdx].verbatimSegmentUri,
+        middleSegment.verbatimSegmentUri,
         variables);
 
     const parsedUri = new goog.Uri(middleSegmentUris[0]);