diff --git a/org.fox.ttrss/src/main/java/org/fox/ttrss/FeedCategoriesFragment.java b/org.fox.ttrss/src/main/java/org/fox/ttrss/FeedCategoriesFragment.java
index 02fd7985..24be6292 100755
--- a/org.fox.ttrss/src/main/java/org/fox/ttrss/FeedCategoriesFragment.java
+++ b/org.fox.ttrss/src/main/java/org/fox/ttrss/FeedCategoriesFragment.java
@@ -315,7 +315,7 @@ public class FeedCategoriesFragment extends BaseFeedlistFragment implements OnIt
 		
 		@Override
 		protected void onPostExecute(JsonElement result) {
-			if (isDetached()) return;
+			if (isDetached() || !isAdded()) return;
 			
             if (m_swipeLayout != null) m_swipeLayout.setRefreshing(false);
 
diff --git a/org.fox.ttrss/src/main/java/org/fox/ttrss/FeedsFragment.java b/org.fox.ttrss/src/main/java/org/fox/ttrss/FeedsFragment.java
index 41c0f69c..6d567ff8 100755
--- a/org.fox.ttrss/src/main/java/org/fox/ttrss/FeedsFragment.java
+++ b/org.fox.ttrss/src/main/java/org/fox/ttrss/FeedsFragment.java
@@ -496,7 +496,7 @@ public class FeedsFragment extends BaseFeedlistFragment implements OnItemClickLi
 
 		@Override
 		protected void onPostExecute(JsonElement result) {
-			if (isDetached()) return;
+			if (isDetached() || !isAdded()) return;
 
 			if (getView() != null) {
                 View loadingBar = getView().findViewById(R.id.feeds_loading_bar);