diff --git a/src/openklant/components/contactgegevens/migrations/0004_alter_organisatie_adres_nummeraanduiding_id_and_more.py b/src/openklant/components/contactgegevens/migrations/0004_alter_organisatie_adres_nummeraanduiding_id_and_more.py
index 8a8f25a3..344cc026 100644
--- a/src/openklant/components/contactgegevens/migrations/0004_alter_organisatie_adres_nummeraanduiding_id_and_more.py
+++ b/src/openklant/components/contactgegevens/migrations/0004_alter_organisatie_adres_nummeraanduiding_id_and_more.py
@@ -73,7 +73,10 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.RunPython(_check_nummeraanduiding_length),
+        migrations.RunPython(
+            code=_check_nummeraanduiding_length,
+            reverse_code=migrations.RunPython.noop,
+        ),
         migrations.AlterField(
             model_name="organisatie",
             name="adres_nummeraanduiding_id",
diff --git a/src/openklant/components/klantinteracties/migrations/0024_alter_betrokkene_bezoekadres_nummeraanduiding_id_and_more.py b/src/openklant/components/klantinteracties/migrations/0024_alter_betrokkene_bezoekadres_nummeraanduiding_id_and_more.py
index 2533f33a..e0c82b98 100644
--- a/src/openklant/components/klantinteracties/migrations/0024_alter_betrokkene_bezoekadres_nummeraanduiding_id_and_more.py
+++ b/src/openklant/components/klantinteracties/migrations/0024_alter_betrokkene_bezoekadres_nummeraanduiding_id_and_more.py
@@ -78,7 +78,10 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.RunPython(_check_nummeraanduiding_length),
+        migrations.RunPython(
+            code=_check_nummeraanduiding_length,
+            reverse_code=migrations.RunPython.noop,
+        ),
         migrations.AlterField(
             model_name="betrokkene",
             name="bezoekadres_nummeraanduiding_id",