diff --git a/Moose Development/Moose/Ops/OpsZone.lua b/Moose Development/Moose/Ops/OpsZone.lua
index 63287cbf2..01b7a3b19 100644
--- a/Moose Development/Moose/Ops/OpsZone.lua	
+++ b/Moose Development/Moose/Ops/OpsZone.lua	
@@ -1025,7 +1025,7 @@ function OPSZONE:Scan()
     if ZoneObject then
 
       -- Object category.
-      local ObjectCategory=ZoneObject:getCategory()
+      local ObjectCategory=Object.getCategory(ZoneObject)
 
       if ObjectCategory==Object.Category.UNIT and ZoneObject:isExist() and ZoneObject:isActive() then