diff --git a/app/src/main/java/de/danoeh/antennapod/ui/screen/chapter/ChaptersFragment.java b/app/src/main/java/de/danoeh/antennapod/ui/screen/chapter/ChaptersFragment.java
index 8fea6e209..45838d845 100644
--- a/app/src/main/java/de/danoeh/antennapod/ui/screen/chapter/ChaptersFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/ui/screen/chapter/ChaptersFragment.java
@@ -127,7 +127,7 @@ public class ChaptersFragment extends AppCompatDialogFragment {
     }
 
     private int getCurrentChapter(Playable media) {
-        if (controller == null) {
+        if (controller == null || media == null) {
             return -1;
         }
         return Chapter.getAfterPosition(media.getChapters(), controller.getPosition());
diff --git a/app/src/main/java/de/danoeh/antennapod/ui/screen/playback/audio/CoverFragment.java b/app/src/main/java/de/danoeh/antennapod/ui/screen/playback/audio/CoverFragment.java
index 57794b410..073d5b0be 100644
--- a/app/src/main/java/de/danoeh/antennapod/ui/screen/playback/audio/CoverFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/ui/screen/playback/audio/CoverFragment.java
@@ -261,6 +261,9 @@ public class CoverFragment extends Fragment {
 
     @Subscribe(threadMode = ThreadMode.MAIN)
     public void onEventMainThread(PlaybackPositionEvent event) {
+        if (media == null) {
+            return;
+        }
         int newChapterIndex = Chapter.getAfterPosition(media.getChapters(), event.getPosition());
         if (newChapterIndex > -1 && newChapterIndex != displayedChapterIndex) {
             refreshChapterData(newChapterIndex);