diff --git a/src/server/game/Grids/GridDefines.h b/src/server/game/Grids/GridDefines.h
index 7eabee5cd..eebdb3fd3 100644
--- a/src/server/game/Grids/GridDefines.h
+++ b/src/server/game/Grids/GridDefines.h
@@ -172,8 +172,8 @@ namespace Acore
     template<class RET_TYPE, int CENTER_VAL>
     inline RET_TYPE Compute(float x, float y, float size)
     {
-        int gx = (int)(CENTER_VAL - x / size);
-        int gy = (int)(CENTER_VAL - y / size);
+        int gx = std::max<int>(0, (CENTER_VAL - x / size));
+        int gy = std::max<int>(0, (CENTER_VAL - y / size));
 
         return RET_TYPE(gx, gy);
     }