diff --git a/lib/pangea/toolbar/widgets/message_selection_positioner.dart b/lib/pangea/toolbar/widgets/message_selection_positioner.dart
index ce7c2bea8..53a8436ac 100644
--- a/lib/pangea/toolbar/widgets/message_selection_positioner.dart
+++ b/lib/pangea/toolbar/widgets/message_selection_positioner.dart
@@ -283,7 +283,7 @@ class MessageSelectionPositionerState extends State<MessageSelectionPositioner>
       );
 
   double get _columnWidth => FluffyThemes.isColumnMode(context)
-      ? (FluffyThemes.columnWidth + FluffyThemes.navRailWidth)
+      ? (FluffyThemes.columnWidth + FluffyThemes.navRailWidth + 1.0)
       : 0;
 
   /// Available vertical space not taken up by the header and footer