diff --git a/src/scope_equipment/service.py b/src/scope_equipment/service.py
index ea0aa1d..fffd13f 100644
--- a/src/scope_equipment/service.py
+++ b/src/scope_equipment/service.py
@@ -142,6 +142,7 @@ async def get_exculed_scope_name(*, db_session: DbSession, scope_name: Union[str
 
 async def get_all_master_equipment(*, db_session: DbSession, exclude: Optional[str] = None, common: CommonParameters):
     scope = await get_scope_by_name_service(db_session=db_session, scope_name=exclude)
+    
 
     query = Select(MasterEquipment).filter(MasterEquipment.assetnum != None)
 
@@ -150,7 +151,7 @@ async def get_all_master_equipment(*, db_session: DbSession, exclude: Optional[s
 
     if scope:
         query = query.filter(
-            not_(ScopeEquipment.scope_id).is_(scope.id) | (
+            not_(ScopeEquipment.scope_id == scope.id) | (
                 ScopeEquipment.scope_id.is_(None))
         )
     else: