diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f9cddec..24931b29 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,10 @@ and this project adheres to
 
 - 🔒️(backend) enhance API input validation to strengthen security #1053
 
+### Fixed
+
+- 🐛(migrations) use settings in migrations #1058
+
 ## [1.9.0] - 2026-03-02
 
 ### Added
diff --git a/src/backend/core/migrations/0001_initial.py b/src/backend/core/migrations/0001_initial.py
index 384d6024..155761a9 100644
--- a/src/backend/core/migrations/0001_initial.py
+++ b/src/backend/core/migrations/0001_initial.py
@@ -44,7 +44,7 @@ class Migration(migrations.Migration):
                 ('sub', models.CharField(blank=True, help_text='Optional for pending users; required upon account activation. 255 characters or fewer. Letters, numbers, and @/./+/-/_ characters only.', max_length=255, null=True, unique=True, validators=[django.core.validators.RegexValidator(message='Enter a valid sub. This value may contain only letters, numbers, and @/./+/-/_ characters.', regex='^[\\w.@+-]+\\Z')], verbose_name='sub')),
                 ('email', models.EmailField(blank=True, max_length=254, null=True, verbose_name='identity email address')),
                 ('admin_email', models.EmailField(blank=True, max_length=254, null=True, unique=True, verbose_name='admin email address')),
-                ('language', models.CharField(choices="(('en-us', 'English'), ('fr-fr', 'French'))", default='en-us', help_text='The language in which the user wants to see the interface.', max_length=10, verbose_name='language')),
+                ('language', models.CharField(choices=settings.LANGUAGES, default=settings.LANGUAGE_CODE, help_text='The language in which the user wants to see the interface.', max_length=10, verbose_name='language')),
                 ('timezone', timezone_field.fields.TimeZoneField(choices_display='WITH_GMT_OFFSET', default='UTC', help_text='The timezone in which the user wants to see times.', use_pytz=False)),
                 ('is_device', models.BooleanField(default=False, help_text='Whether the user is a device or a real user.', verbose_name='device')),
                 ('is_staff', models.BooleanField(default=False, help_text='Whether the user can log into this admin site.', verbose_name='staff status')),
@@ -96,7 +96,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='resource',
             name='users',
-            field=models.ManyToManyField(related_name='resources', through='core.ResourceAccess', to=settings.AUTH_USER_MODEL),
+            field=models.ManyToManyField(related_name='resources', through='core.ResourceAccess', through_fields=('resource', 'user'), to=settings.AUTH_USER_MODEL),
         ),
         migrations.AddConstraint(
             model_name='resourceaccess',
diff --git a/src/backend/core/migrations/0004_alter_user_language.py b/src/backend/core/migrations/0004_alter_user_language.py
index e562bc67..c8383601 100644
--- a/src/backend/core/migrations/0004_alter_user_language.py
+++ b/src/backend/core/migrations/0004_alter_user_language.py
@@ -1,5 +1,5 @@
 # Generated by Django 5.0.7 on 2024-08-07 14:39
-
+from django.conf import settings
 from django.db import migrations, models
 
 
@@ -13,6 +13,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='user',
             name='language',
-            field=models.CharField(choices="(('en-us', 'English'), ('fr-fr', 'French'))", default='en-us', help_text='The language in which the user wants to see the interface.', max_length=10, verbose_name='language'),
+            field=models.CharField(choices=settings.LANGUAGES, default=settings.LANGUAGE_CODE, help_text='The language in which the user wants to see the interface.', max_length=10, verbose_name='language'),
         ),
     ]
diff --git a/src/backend/core/migrations/0013_alter_user_language.py b/src/backend/core/migrations/0013_alter_user_language.py
index 61303cde..cdba1f48 100644
--- a/src/backend/core/migrations/0013_alter_user_language.py
+++ b/src/backend/core/migrations/0013_alter_user_language.py
@@ -1,5 +1,5 @@
 # Generated by Django 5.1.8 on 2025-04-22 14:52
-
+from django.conf import settings
 from django.db import migrations, models
 
 
@@ -13,6 +13,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='user',
             name='language',
-            field=models.CharField(choices="(('en-us', 'English'), ('fr-fr', 'French'), ('nl-nl', 'Dutch'))", default='en-us', help_text='The language in which the user wants to see the interface.', max_length=10, verbose_name='language'),
+            field=models.CharField(choices=settings.LANGUAGES, default=settings.LANGUAGE_CODE, help_text='The language in which the user wants to see the interface.', max_length=10, verbose_name='language'),
         ),
     ]