diff --git a/app/src/main/kotlin/com/simplemobiletools/filemanager/fragments/ItemsFragment.kt b/app/src/main/kotlin/com/simplemobiletools/filemanager/fragments/ItemsFragment.kt
index eea9451a..79e32b7c 100644
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/fragments/ItemsFragment.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/fragments/ItemsFragment.kt
@@ -80,7 +80,7 @@ class ItemsFragment : android.support.v4.app.Fragment(), ItemsAdapter.ItemOperat
             newItems.sort()
 
             fragmentView.apply {
-                activity.runOnUiThread {
+                activity?.runOnUiThread {
                     items_swipe_refresh.isRefreshing = false
                     if (newItems.hashCode() == mItems.hashCode()) {
                         return@runOnUiThread