diff --git a/app/src/main/java/de/danoeh/antennapod/adapter/NavListAdapter.java b/app/src/main/java/de/danoeh/antennapod/adapter/NavListAdapter.java
index e984ba3be..d43e30d8f 100644
--- a/app/src/main/java/de/danoeh/antennapod/adapter/NavListAdapter.java
+++ b/app/src/main/java/de/danoeh/antennapod/adapter/NavListAdapter.java
@@ -6,6 +6,7 @@ import android.content.res.TypedArray;
 import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
 import android.preference.PreferenceManager;
+import android.support.v7.app.AlertDialog;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -231,6 +232,13 @@ public class NavListAdapter extends BaseAdapter
                 holder.count.setText("{md-disc-full 150%}");
                 Iconify.addIcons(holder.count);
                 holder.count.setVisibility(View.VISIBLE);
+                holder.count.setOnClickListener(v -> {
+                    new AlertDialog.Builder(context)
+                            .setTitle(R.string.episode_cache_full_title)
+                            .setMessage(R.string.episode_cache_full_message)
+                            .setPositiveButton(android.R.string.ok, (dialog, which) -> {})
+                            .show();
+                });
             } else {
                 holder.count.setVisibility(View.GONE);
             }
diff --git a/core/src/main/res/values/strings.xml b/core/src/main/res/values/strings.xml
index 69acdcc4a..30b29df91 100644
--- a/core/src/main/res/values/strings.xml
+++ b/core/src/main/res/values/strings.xml
@@ -26,6 +26,8 @@
     <string name="gpodnet_main_label">gpodder.net</string>
     <string name="gpodnet_auth_label">gpodder.net Login</string>
     <string name="free_space_label">%1$s free</string>
+    <string name="episode_cache_full_title">Episode cache full</string>
+    <string name="episode_cache_full_message">The episode cache limit has been reached. You can increase the cache size in the Settings.</string>
 
     <!-- New episodes fragment -->
     <string name="recently_published_episodes_label">Recently published</string>