Index: FarmatikoServices/Services/Service.cs
===================================================================
--- FarmatikoServices/Services/Service.cs	(revision afefe757d576966e9c391ba7bf0c638159b265d9)
+++ FarmatikoServices/Services/Service.cs	(revision ac5132621e96b58639b50b72d50dec9d0894784a)
@@ -90,5 +90,5 @@
                     Address = pharm.Address,
                     WorkAllTime = pharm.WorkAllTime,
-                    HeadName = pharm.PharmacyHead.Name
+                    HeadName = pharm.PharmacyHead.Name?? "" 
                 };
                 pharmacies.Add(pharmacyDTO);