diff --git a/src/Avalonia.Controls.DataGrid/DataGridSelectedItemsCollection.cs b/src/Avalonia.Controls.DataGrid/DataGridSelectedItemsCollection.cs
index eafee530c5..7a0dd24318 100644
--- a/src/Avalonia.Controls.DataGrid/DataGridSelectedItemsCollection.cs
+++ b/src/Avalonia.Controls.DataGrid/DataGridSelectedItemsCollection.cs
@@ -155,7 +155,7 @@ namespace Avalonia.Controls
                 return;
             }
 
-            OwningGrid.SetRowSelection(itemIndex, false /*isSelected*/, false /*setAnchorSlot*/);
+            OwningGrid.SetRowSelection(OwningGrid.SlotFromRowIndex(itemIndex), false /*isSelected*/, false /*setAnchorSlot*/);
         }
 
         public void RemoveAt(int index)