diff --git a/youtubeExtractor/src/main/java/at/huber/youtubeExtractor/YouTubeExtractor.java b/youtubeExtractor/src/main/java/at/huber/youtubeExtractor/YouTubeExtractor.java
index 8ae9815..3131948 100644
--- a/youtubeExtractor/src/main/java/at/huber/youtubeExtractor/YouTubeExtractor.java
+++ b/youtubeExtractor/src/main/java/at/huber/youtubeExtractor/YouTubeExtractor.java
@@ -231,6 +231,14 @@ private SparseArray<YtFile> getStreamUrls() throws IOException, InterruptedExcep
             for (int i = 0; i < formats.length(); i++) {
 
                 JSONObject format = formats.getJSONObject(i);
+
+                // FORMAT_STREAM_TYPE_OTF(otf=1) requires downloading the init fragment (adding
+                // `&sq=0` to the URL) and parsing emsg box to determine the number of fragment that
+                // would subsequently requested with (`&sq=N`) (cf. youtube-dl)
+                String type = format.optString("type");
+                if (type != null && type.equals("FORMAT_STREAM_TYPE_OTF"))
+                    continue;
+
                 int itag = format.getInt("itag");
 
                 if (FORMAT_MAP.get(itag) != null) {
@@ -255,6 +263,11 @@ private SparseArray<YtFile> getStreamUrls() throws IOException, InterruptedExcep
             for (int i = 0; i < adaptiveFormats.length(); i++) {
 
                 JSONObject adaptiveFormat = adaptiveFormats.getJSONObject(i);
+
+                String type = adaptiveFormat.optString("type");
+                if (type != null && type.equals("FORMAT_STREAM_TYPE_OTF"))
+                    continue;
+
                 int itag = adaptiveFormat.getInt("itag");
 
                 if (FORMAT_MAP.get(itag) != null) {