diff --git a/Marco.Pms.Services/Service/MasterService.cs b/Marco.Pms.Services/Service/MasterService.cs
index e2c3bdb7..cee5f90f 100644
--- a/Marco.Pms.Services/Service/MasterService.cs
+++ b/Marco.Pms.Services/Service/MasterService.cs
@@ -837,7 +837,7 @@ namespace Marco.Pms.Services.Service
                 }
 
                 var activityGroups = await activityGroupQuery
-                    .Select(ag => _mapper.Map<ActivityGroupMasterVM>(ag))
+                    .ProjectTo<ActivityGroupMasterVM>(_mapper.ConfigurationProvider)
                     .OrderBy(ag => ag.Name)
                     .ToListAsync();