diff --git a/osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.cs b/osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.cs
index 28e6347f4f..0418aa1925 100644
--- a/osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.cs
+++ b/osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.cs
@@ -242,8 +242,8 @@ namespace osu.Game.Rulesets.Osu.Edit
 
         private (bool X, bool Y) isQuadInBounds(Quad quad)
         {
-            bool xInBounds = (quad.TopLeft.X >= 0) && (quad.BottomRight.X < DrawWidth);
-            bool yInBounds = (quad.TopLeft.Y >= 0) && (quad.BottomRight.Y < DrawHeight);
+            bool xInBounds = (quad.TopLeft.X >= 0) && (quad.BottomRight.X <= DrawWidth);
+            bool yInBounds = (quad.TopLeft.Y >= 0) && (quad.BottomRight.Y <= DrawHeight);
 
             return (xInBounds, yInBounds);
         }