diff --git a/seminar/migrations/0051_resitel_to_osoba.py b/seminar/migrations/0051_resitel_to_osoba.py
index 17237bd0..04220896 100644
--- a/seminar/migrations/0051_resitel_to_osoba.py
+++ b/seminar/migrations/0051_resitel_to_osoba.py
@@ -28,26 +28,23 @@ def resitel_to_osoba(apps,schema_editor):
 			if u.first_name:
 				if not o.jmeno:
 					o.jmeno = u.first_name
-					u.first_name = 'Použij osobu!'
+					u.first_name += ' (Uživatel!)'
 				elif o.jmeno == u.first_name:
-					u.first_name = 'Použij osobu!'
+					u.first_name += ' (Uživatel!)'
 				else:
 					raise ValueError('jmeno a first_name rozdílné: "{}" vs. "{}"'.format(o.jmeno, u.first_name))
 			if u.last_name:
 				if not o.prijmeni:
 					o.prijmeni = u.last_name
-					u.last_name = 'Použij osobu!'
+					u.last_name += ' (Uživatel!)'
 				elif o.prijmeni == u.last_name:
-					u.last_name = 'Použij osobu!'
+					u.last_name += ' (Uživatel!)'
 				else:
 					raise ValueError('prijmeni a last_name rozdílné: "{}" vs. "{}"'.format(o.prijmeni, u.last_name))
 			if u.email:
 				if not o.email:
 					o.email = u.email
-					u.email = 'Použij osobu!'
-				elif o.email == u.email:
-					u.email = 'Použij osobu!'
-				else:
+				elif o.email != u.email:
 					raise ValueError('o.email a u.email rozdílné: "{}" vs. "{}"'.format(o.email, u.email))
 			u.save()
 					
diff --git a/seminar/migrations/0052_user_to_organizator.py b/seminar/migrations/0052_user_to_organizator.py
index 47d151ae..fec3c2af 100644
--- a/seminar/migrations/0052_user_to_organizator.py
+++ b/seminar/migrations/0052_user_to_organizator.py
@@ -53,9 +53,8 @@ def spoj_k_organizatorum_osoby(apps, scema_editor):
 				osoba.jmeno = user.first_name
 				osoba.prijmeni = user.last_name
 				osoba.email = user.email
-				user.jmeno = "Použij osobu!"
-				user.prijmeni = "Použij osobu!"
-				user.email = "Použij osobu!"
+				user.jmeno += " (Uživatel!)"
+				user.prijmeni += " (Uživatel!)"
 				user.save()
 
 			except EndException: pass