diff --git a/src/server/game/Grids/Cells/CellImpl.h b/src/server/game/Grids/Cells/CellImpl.h
index 77830bc59d5..b224b3865e0 100644
--- a/src/server/game/Grids/Cells/CellImpl.h
+++ b/src/server/game/Grids/Cells/CellImpl.h
@@ -91,7 +91,7 @@ inline void Cell::Visit(CellCoord const& standing_cell, TypeContainerVisitor<T,
     //if radius is known to reach cell area more than 4x4 then we should call optimized VisitCircle
     //currently this technique works with MAX_NUMBER_OF_CELLS 16 and higher, with lower values
     //there are nothing to optimize because SIZE_OF_GRID_CELL is too big...
-    if (((area.high_bound.x_coord - area.low_bound.x_coord) > 4) && ((area.high_bound.y_coord - area.low_bound.y_coord) > 4))
+    if ((area.high_bound.x_coord > (area.low_bound.x_coord + 4)) && (area.high_bound.y_coord > (area.low_bound.y_coord + 4)))
     {
         VisitCircle(visitor, map, area.low_bound, area.high_bound);
         return;