diff --git a/seminar/migrations/0069_auto_20191120_2115.py b/seminar/migrations/0069_auto_20191120_2115.py
new file mode 100644
index 00000000..04c6d1dc
--- /dev/null
+++ b/seminar/migrations/0069_auto_20191120_2115.py
@@ -0,0 +1,28 @@
+# Generated by Django 2.2.7 on 2019-11-20 20:15
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('seminar', '0068_treenode_nazev'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='cislo',
+            options={'ordering': ['-rocnik__rocnik', '-poradi'], 'verbose_name': 'Číslo', 'verbose_name_plural': 'Čísla'},
+        ),
+        migrations.RenameField(
+            model_name='cislo',
+            old_name='cislo',
+            new_name='poradi',
+        ),
+        migrations.AlterField(
+            model_name='problem',
+            name='nadproblem',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='podproblem', to='seminar.Problem', verbose_name='nadřazený problém'),
+        ),
+    ]
diff --git a/seminar/models.py b/seminar/models.py
index 332a5baa..327e7424 100644
--- a/seminar/models.py
+++ b/seminar/models.py
@@ -480,7 +480,7 @@ class Cislo(SeminarModelBase):
 	def get(cls, rocnik, cislo):
 		try:
 			r = Rocnik.objects.get(rocnik=rocnik)
-			c = r.cisla.get(cislo=cislo)
+			c = r.cisla.get(poradi=cislo)
 		except ObjectDoesNotExist:
 			return None
 		return c
diff --git a/seminar/testutils.py b/seminar/testutils.py
index 83a5ae4b..1e853d72 100644
--- a/seminar/testutils.py
+++ b/seminar/testutils.py
@@ -333,7 +333,7 @@ def gen_cisla(rnd, rocniky):
 			
 			cislo = Cislo.objects.create(
 				rocnik = rocnik,
-				cislo = str(ci), 
+				poradi = str(ci), 
 				datum_vydani=vydano,
 				datum_deadline=deadline, 
 				verejne_db=True