diff --git a/library/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaPeriod.java b/library/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaPeriod.java
index 7ed979c9020..57925ed67ab 100644
--- a/library/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaPeriod.java
+++ b/library/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaPeriod.java
@@ -103,8 +103,10 @@ public void run() {
   public void release() {
     continueLoadingHandler.removeCallbacksAndMessages(null);
     manifestFetcher.release();
-    for (HlsSampleStreamWrapper sampleStreamWrapper : sampleStreamWrappers) {
-      sampleStreamWrapper.release();
+    if (sampleStreamWrappers != null) {
+      for (HlsSampleStreamWrapper sampleStreamWrapper : sampleStreamWrappers) {
+        sampleStreamWrapper.release();
+      }
     }
   }