diff --git a/src/server/game/Grids/Notifiers/GridNotifiers.h b/src/server/game/Grids/Notifiers/GridNotifiers.h
index 0fa6266aed..1709f4dd03 100755
--- a/src/server/game/Grids/Notifiers/GridNotifiers.h
+++ b/src/server/game/Grids/Notifiers/GridNotifiers.h
@@ -813,7 +813,7 @@ namespace Trinity
                 return u->isAlive()
                     && i_obj->IsWithinDistInMap(u, i_range)
                     && !i_funit->IsFriendlyTo(u)
-                    && u->canSeeOrDetect(i_funit);
+                    && i_funit->canSeeOrDetect(u);
             }
         private:
             WorldObject const* i_obj;
@@ -875,7 +875,7 @@ namespace Trinity
             bool operator()(Unit* u)
             {
                 if (u->isTargetableForAttack() && i_obj->IsWithinDistInMap(u, i_range) &&
-                    !i_funit->IsFriendlyTo(u) && u->canSeeOrDetect(i_funit))
+                    !i_funit->IsFriendlyTo(u) && i_funit->canSeeOrDetect(u))
                 {
                     i_range = i_obj->GetDistance(u);        // use found unit range as new range limit for next check
                     return true;