diff --git a/app/src/main/kotlin/com/simplemobiletools/applauncher/activities/MainActivity.kt b/app/src/main/kotlin/com/simplemobiletools/applauncher/activities/MainActivity.kt
index 8430180..c09a6e4 100644
--- a/app/src/main/kotlin/com/simplemobiletools/applauncher/activities/MainActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/applauncher/activities/MainActivity.kt
@@ -180,9 +180,9 @@ class MainActivity : SimpleActivity(), RefreshRecyclerViewListener {
 
     private fun columnCountChanged() {
         invalidateOptionsMenu()
-        launchers_grid.adapter?.notifyDataSetChanged()
-        getGridAdapter()?.launchers?.apply {
-            calculateContentHeight(this)
+        getGridAdapter()?.apply {
+            notifyItemRangeChanged(0, launchers.size)
+            calculateContentHeight(launchers)
         }
     }