diff --git a/app/src/main/java/com/nynja/mobile/communicator/mvp/presenters/BasePresenter.java b/app/src/main/java/com/nynja/mobile/communicator/mvp/presenters/BasePresenter.java
index ed613959fb5287cef1f2486aaab5433c2d93e74a..778409c58fb8deff50d7065d20fc6ea575eb8f88 100644
--- a/app/src/main/java/com/nynja/mobile/communicator/mvp/presenters/BasePresenter.java
+++ b/app/src/main/java/com/nynja/mobile/communicator/mvp/presenters/BasePresenter.java
@@ -193,9 +193,9 @@ public abstract class BasePresenter<T extends BaseMvpView> extends MvpPresenter<
         mDataManager.saveAccountAccessToken(accountAccessToken);
     }
 
-    public void initWheel() {
-        if (getViewState() != null)
-            getViewState().initWheelView(mDataManager.getConferenceSDK().isConferenceActive());
+    public synchronized void initWheel() {
+        if (getAttachedViews().size() == 0) return;
+        getViewState().initWheelView(isConferenceActive());
     }
 
     public void addDisposable(Disposable disposable) {
diff --git a/app/src/main/java/com/nynja/mobile/communicator/mvp/presenters/ChatPresenter.java b/app/src/main/java/com/nynja/mobile/communicator/mvp/presenters/ChatPresenter.java
index 53eda70485be8bec49e56e8f0ec2e0d9369c12d2..31cdb20c102ed2cc1564f17671501b1b468b3e27 100644
--- a/app/src/main/java/com/nynja/mobile/communicator/mvp/presenters/ChatPresenter.java
+++ b/app/src/main/java/com/nynja/mobile/communicator/mvp/presenters/ChatPresenter.java
@@ -1703,9 +1703,6 @@ public class ChatPresenter extends BaseChatPresenter<ChatMvpView> {
                                         restoreScrollState();
                                     }
                                 }
-                                if (mRoom.updateContactAvatarInRoom(contact.avatar)) {
-                                    getViewState().setAvatar(contact.avatar);
-                                }
                                 updateMuteState(!contact.isNotificationEnabled());
                                 final ArrayList<MemberModel> members =
                                         MemberModel.generateMembers(Collections.singletonList(contact), MemberModel.Statuses.MEMBER);
@@ -1718,12 +1715,7 @@ public class ChatPresenter extends BaseChatPresenter<ChatMvpView> {
                                     mRoom.readers = new ArrayList<>(contact.readers);
                                     if (!isEnabledNewPagination()) processUnreadState();
                                 }
-                                getViewState().setHeaderInfo(mRoom);
-                                getViewState().updateMessageReadState(contact, getOwnRosterId());
-                                if (updateFooter) {
-                                    setFooterState();
-                                    getViewState().initWheelView(isEnabledCallOptions());
-                                }
+                                updateOnViewStateAfterContactEvent(contact, updateFooter);
                                 checkTranslateState();
                             } else {
                                 getViewState().setWaitingNetworkStatus();
@@ -1733,6 +1725,24 @@ public class ChatPresenter extends BaseChatPresenter<ChatMvpView> {
                 ));
     }
 
+    private void updateOnViewStateAfterContactEvent(ContactModel contact, boolean updateFooter) {
+        if (getAttachedViews().size() == 0) {
+            if (updateFooter) {
+                setFooterState();
+            }
+            return;
+        }
+        if (mRoom.updateContactAvatarInRoom(contact.avatar)) {
+            getViewState().setAvatar(contact.avatar);
+        }
+        getViewState().setHeaderInfo(mRoom);
+        getViewState().updateMessageReadState(contact, getOwnRosterId());
+        if (updateFooter) {
+            setFooterState();
+            initWheel();
+        }
+    }
+
     private void updateContactStatus(boolean wasEmpty) {
         MemberModel member = mRoom.members.get(0);
         if (member != null) {
@@ -4175,7 +4185,8 @@ public class ChatPresenter extends BaseChatPresenter<ChatMvpView> {
         }
     }
 
-    public void refreshFooterState() {
+    public synchronized void refreshFooterState() {
+        if (getAttachedViews().size() == 0) return;
         switch (mFooterState) {
             case P2P_USUAL:
             case GROUP_USUAL: