diff --git a/netforce_clinic/models/hd_case.py b/netforce_clinic/models/hd_case.py
index 11d1fc5..d4532e9 100644
--- a/netforce_clinic/models/hd_case.py
+++ b/netforce_clinic/models/hd_case.py
@@ -1149,6 +1149,11 @@ class HDCase(Model):
 
     def done(self,ids,context={}):
         obj=self.browse(ids)[0]
+        if obj.patient_type_id.code=='SSO':
+            for line in obj.lines:
+                prod=line.product_id
+                if not line.price and prod:
+                    raise Exception("Can not complete HDCase because price of product %s is missing!"%(prod.name))
         count=0
         for sline in obj.staffs:
             if sline.staff_id: