diff --git a/CHANGES.rst b/CHANGES.rst
index 35940fa500..5ea03e3faa 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -11,7 +11,7 @@ Other changes:
  -
 
 Bugfix:
- -
+ - Fix issue on vanished favorite and low priority room (#2413)
 
 Translations:
  -
diff --git a/vector/src/main/java/im/vector/activity/SplashActivity.java b/vector/src/main/java/im/vector/activity/SplashActivity.java
index 6c299fe96b..85e8d4ab95 100755
--- a/vector/src/main/java/im/vector/activity/SplashActivity.java
+++ b/vector/src/main/java/im/vector/activity/SplashActivity.java
@@ -18,7 +18,9 @@
 package im.vector.activity;
 
 import android.content.Intent;
+import android.os.Build;
 import android.os.Bundle;
+import android.preference.PreferenceManager;
 
 import org.jetbrains.annotations.NotNull;
 import org.matrix.androidsdk.MXSession;
@@ -39,6 +41,7 @@
 import im.vector.gcm.GcmRegistrationManager;
 import im.vector.receiver.VectorUniversalLinkReceiver;
 import im.vector.services.EventStreamService;
+import im.vector.util.PreferencesManager;
 import kotlin.Pair;
 
 /**
@@ -50,11 +53,13 @@ public class SplashActivity extends MXCActionBarActivity {
     public static final String EXTRA_MATRIX_ID = "EXTRA_MATRIX_ID";
     public static final String EXTRA_ROOM_ID = "EXTRA_ROOM_ID";
 
-    private Map<MXSession, IMXEventListener> mListeners;
-    private Map<MXSession, IMXEventListener> mDoneListeners;
+    private Map<MXSession, IMXEventListener> mListeners = new HashMap<>();
+    private Map<MXSession, IMXEventListener> mDoneListeners = new HashMap<>();
 
     private final long mLaunchTime = System.currentTimeMillis();
 
+    private static final String NEED_TO_CLEAR_CACHE_BEFORE_81200 = "NEED_TO_CLEAR_CACHE_BEFORE_81200";
+
     /**
      * @return true if a store is corrupted.
      */
@@ -133,8 +138,22 @@ public void initUiAndData() {
             return;
         }
 
-        mListeners = new HashMap<>();
-        mDoneListeners = new HashMap<>();
+        // Check if store is corrupted, due to change of type of some maps from HashMap to Map in Serialized objects
+        // Only on Android 7.1+
+        // Only if previous versionCode of the installation is < 81200
+        // Only once
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N_MR1
+                && PreferenceManager.getDefaultSharedPreferences(this).getInt(PreferencesManager.VERSION_BUILD, 0) < 81200
+                && PreferenceManager.getDefaultSharedPreferences(this).getBoolean(NEED_TO_CLEAR_CACHE_BEFORE_81200, true)) {
+            PreferenceManager.getDefaultSharedPreferences(this)
+                    .edit()
+                    .putBoolean(NEED_TO_CLEAR_CACHE_BEFORE_81200, false)
+                    .apply();
+
+            // Force a clear cache
+            Matrix.getInstance(this).reloadSessions(this);
+            return;
+        }
 
         List<String> matrixIds = new ArrayList<>();
 
diff --git a/vector/src/main/java/im/vector/activity/VectorHomeActivity.java b/vector/src/main/java/im/vector/activity/VectorHomeActivity.java
index 76b1e91d62..643b94b5c9 100644
--- a/vector/src/main/java/im/vector/activity/VectorHomeActivity.java
+++ b/vector/src/main/java/im/vector/activity/VectorHomeActivity.java
@@ -321,16 +321,15 @@ public void initUiAndData() {
 
         // track if the application update
         SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
-        int version = preferences.getInt("VERSION_BUILD", 0);
+        int version = preferences.getInt(PreferencesManager.VERSION_BUILD, 0);
 
         if (version != VectorApp.VERSION_BUILD) {
             Log.d(LOG_TAG, "The application has been updated from version " + version + " to version " + VectorApp.VERSION_BUILD);
 
             // TODO add some dedicated actions here
 
-            preferences
-                    .edit()
-                    .putInt("VERSION_BUILD", VectorApp.VERSION_BUILD)
+            preferences.edit()
+                    .putInt(PreferencesManager.VERSION_BUILD, VectorApp.VERSION_BUILD)
                     .apply();
         }
 
diff --git a/vector/src/main/java/im/vector/util/PreferencesManager.java b/vector/src/main/java/im/vector/util/PreferencesManager.java
index 009e670cb6..0bde4203ce 100755
--- a/vector/src/main/java/im/vector/util/PreferencesManager.java
+++ b/vector/src/main/java/im/vector/util/PreferencesManager.java
@@ -44,6 +44,8 @@ public class PreferencesManager {
 
     private static final String LOG_TAG = PreferencesManager.class.getSimpleName();
 
+    public static final String VERSION_BUILD = "VERSION_BUILD";
+
     public static final String SETTINGS_MESSAGES_SENT_BY_BOT_PREFERENCE_KEY = "SETTINGS_MESSAGES_SENT_BY_BOT_PREFERENCE_KEY_2";
     public static final String SETTINGS_CHANGE_PASSWORD_PREFERENCE_KEY = "SETTINGS_CHANGE_PASSWORD_PREFERENCE_KEY";
     public static final String SETTINGS_VERSION_PREFERENCE_KEY = "SETTINGS_VERSION_PREFERENCE_KEY";