diff --git a/packages/backend/src/db/migrations/20241024130418_make_key_primary_for_app_configs.js b/packages/backend/src/db/migrations/20241024130418_make_key_primary_for_app_configs.js
new file mode 100644
index 00000000..cae7f315
--- /dev/null
+++ b/packages/backend/src/db/migrations/20241024130418_make_key_primary_for_app_configs.js
@@ -0,0 +1,13 @@
+export async function up(knex) {
+  return knex.schema.alterTable('app_configs', function (table) {
+    table.dropPrimary();
+    table.primary('key');
+  });
+}
+
+export async function down(knex) {
+  return knex.schema.alterTable('app_configs', function (table) {
+    table.dropPrimary();
+    table.primary('id');
+  });
+}
diff --git a/packages/backend/src/models/app-config.js b/packages/backend/src/models/app-config.js
index 465600be..a4f3a0fb 100644
--- a/packages/backend/src/models/app-config.js
+++ b/packages/backend/src/models/app-config.js
@@ -5,6 +5,10 @@ import Base from './base.js';
 class AppConfig extends Base {
   static tableName = 'app_configs';
 
+  static get idColumn() {
+    return 'key';
+  }
+
   static jsonSchema = {
     type: 'object',
     required: ['key'],