diff --git a/library/src/main/java/com/google/android/exoplayer/util/Util.java b/library/src/main/java/com/google/android/exoplayer/util/Util.java
index 8c67ec9692..117e31c086 100644
--- a/library/src/main/java/com/google/android/exoplayer/util/Util.java
+++ b/library/src/main/java/com/google/android/exoplayer/util/Util.java
@@ -802,7 +802,7 @@ public final class Util {
       return TYPE_OTHER;
     } else if (fileName.endsWith(".mpd")) {
       return TYPE_DASH;
-    } else if (fileName.endsWith(".ism")) {
+    } else if (fileName.endsWith(".ism") || fileName.endsWith(".isml")) {
       return TYPE_SS;
     } else if (fileName.endsWith(".m3u8")) {
       return TYPE_HLS;