diff --git a/passbook/sources/ldap/forms.py b/passbook/sources/ldap/forms.py
index 6846c9e81..e940b132c 100644
--- a/passbook/sources/ldap/forms.py
+++ b/passbook/sources/ldap/forms.py
@@ -45,14 +45,6 @@ class LDAPSourceForm(forms.ModelForm):
             "policies": FilteredSelectMultiple(_("policies"), False),
             "property_mappings": FilteredSelectMultiple(_("Property Mappings"), False),
         }
-        labels = {
-            "server_uri": _("Server URI"),
-            "bind_cn": _("Bind CN"),
-            "start_tls": _("Enable Start TLS"),
-            "base_dn": _("Base DN"),
-            "additional_user_dn": _("Addition User DN"),
-            "additional_group_dn": _("Addition Group DN"),
-        }
 
 
 class LDAPPropertyMappingForm(forms.ModelForm):
diff --git a/passbook/sources/ldap/migrations/0003_auto_20191011_0825.py b/passbook/sources/ldap/migrations/0003_auto_20191011_0825.py
index 57347eb2c..e7bf40f42 100644
--- a/passbook/sources/ldap/migrations/0003_auto_20191011_0825.py
+++ b/passbook/sources/ldap/migrations/0003_auto_20191011_0825.py
@@ -13,8 +13,9 @@ def create_default_ad_property_mappings(apps: Apps, schema_editor):
         "sAMAccountName": "username",
         "mail": "email",
     }
+    db_alias = schema_editor.connection.alias
     for ldap_property, object_field in mapping.items():
-        LDAPPropertyMapping.objects.get_or_create(
+        LDAPPropertyMapping.objects.using(db_alias).get_or_create(
             ldap_property=ldap_property,
             object_field=object_field,
             defaults={
diff --git a/passbook/sources/ldap/migrations/0006_auto_20200216_1116.py b/passbook/sources/ldap/migrations/0006_auto_20200216_1116.py
new file mode 100644
index 000000000..e0d646c86
--- /dev/null
+++ b/passbook/sources/ldap/migrations/0006_auto_20200216_1116.py
@@ -0,0 +1,60 @@
+# Generated by Django 2.2.9 on 2020-02-16 11:16
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("passbook_sources_ldap", "0005_auto_20191011_1059"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="ldappropertymapping",
+            name="ldap_property",
+            field=models.TextField(verbose_name="LDAP Property"),
+        ),
+        migrations.AlterField(
+            model_name="ldapsource",
+            name="additional_group_dn",
+            field=models.TextField(
+                help_text="Prepended to Base DN for Group-queries.",
+                verbose_name="Addition Group DN",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="ldapsource",
+            name="additional_user_dn",
+            field=models.TextField(
+                help_text="Prepended to Base DN for User-queries.",
+                verbose_name="Addition User DN",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="ldapsource",
+            name="base_dn",
+            field=models.TextField(verbose_name="Base DN"),
+        ),
+        migrations.AlterField(
+            model_name="ldapsource",
+            name="bind_cn",
+            field=models.TextField(verbose_name="Bind CN"),
+        ),
+        migrations.AlterField(
+            model_name="ldapsource",
+            name="server_uri",
+            field=models.TextField(
+                validators=[
+                    django.core.validators.URLValidator(schemes=["ldap", "ldaps"])
+                ],
+                verbose_name="Server URI",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="ldapsource",
+            name="start_tls",
+            field=models.BooleanField(default=False, verbose_name="Enable Start TLS"),
+        ),
+    ]
diff --git a/passbook/sources/ldap/models.py b/passbook/sources/ldap/models.py
index 4e91546cd..045864dc3 100644
--- a/passbook/sources/ldap/models.py
+++ b/passbook/sources/ldap/models.py
@@ -2,7 +2,7 @@
 
 from django.core.validators import URLValidator
 from django.db import models
-from django.utils.translation import gettext as _
+from django.utils.translation import gettext_lazy as _
 
 from passbook.core.models import Group, PropertyMapping, Source
 
@@ -10,17 +10,22 @@ from passbook.core.models import Group, PropertyMapping, Source
 class LDAPSource(Source):
     """LDAP Authentication source"""
 
-    server_uri = models.TextField(validators=[URLValidator(schemes=["ldap", "ldaps"])])
-    bind_cn = models.TextField()
+    server_uri = models.TextField(
+        validators=[URLValidator(schemes=["ldap", "ldaps"])],
+        verbose_name=_("Server URI"),
+    )
+    bind_cn = models.TextField(verbose_name=_("Bind CN"))
     bind_password = models.TextField()
-    start_tls = models.BooleanField(default=False)
+    start_tls = models.BooleanField(default=False, verbose_name=_("Enable Start TLS"))
 
-    base_dn = models.TextField()
+    base_dn = models.TextField(verbose_name=_("Base DN"))
     additional_user_dn = models.TextField(
-        help_text=_("Prepended to Base DN for User-queries.")
+        help_text=_("Prepended to Base DN for User-queries."),
+        verbose_name=_("Addition User DN"),
     )
     additional_group_dn = models.TextField(
-        help_text=_("Prepended to Base DN for Group-queries.")
+        help_text=_("Prepended to Base DN for Group-queries."),
+        verbose_name=_("Addition Group DN"),
     )
 
     user_object_filter = models.TextField(
@@ -54,7 +59,7 @@ class LDAPSource(Source):
 class LDAPPropertyMapping(PropertyMapping):
     """Map LDAP Property to User or Group object"""
 
-    ldap_property = models.TextField()
+    ldap_property = models.TextField(verbose_name=_("LDAP Property"))
     object_field = models.TextField()
 
     form = "passbook.sources.ldap.forms.LDAPPropertyMappingForm"