diff --git a/ui/tests/unit/serializers/database/connection-test.js b/ui/tests/unit/serializers/database/connection-test.js
index 520ea402aa8e..90445ea1e016 100644
--- a/ui/tests/unit/serializers/database/connection-test.js
+++ b/ui/tests/unit/serializers/database/connection-test.js
@@ -142,4 +142,61 @@ module('Unit | Serializer | database/connection', function (hooks) {
     };
     assert.deepEqual(normalized, expectedResult, `Normalizes and flattens database response`);
   });
+
+  test('it should normalize values if some params do not exist', function (assert) {
+    const serializer = this.owner.lookup('serializer:database/connection');
+    const normalized = serializer.normalizeSecrets({
+      request_id: 'request-id',
+      lease_id: '',
+      renewable: false,
+      lease_duration: 0,
+      data: {
+        allowed_roles: ['*'],
+        connection_details: { backend: 'database' }, // no connection_url param intentionally
+        plugin_name: 'vault-postgres-db',
+      },
+      wrap_info: null,
+      warnings: null,
+      auth: null,
+      mount_type: 'database',
+      backend: 'database',
+      id: 'db-test',
+    });
+    const expectedResult = {
+      allowed_roles: ['*'],
+      backend: 'database',
+      id: 'db-test',
+      name: 'db-test',
+      plugin_name: 'vault-postgres-db',
+    };
+    assert.deepEqual(normalized, expectedResult, `Normalizes and flattens database response`);
+  });
+
+  test('it should fail gracefully if no connection_details', function (assert) {
+    const serializer = this.owner.lookup('serializer:database/connection');
+    const normalized = serializer.normalizeSecrets({
+      request_id: 'request-id',
+      lease_id: '',
+      renewable: false,
+      lease_duration: 0,
+      data: {
+        allowed_roles: ['*'],
+        plugin_name: 'vault-postgres-db',
+      },
+      wrap_info: null,
+      warnings: null,
+      auth: null,
+      mount_type: 'database',
+      backend: 'database',
+      id: 'db-test',
+    });
+    const expectedResult = {
+      allowed_roles: ['*'],
+      backend: 'database',
+      id: 'db-test',
+      name: 'db-test',
+      plugin_name: 'vault-postgres-db',
+    };
+    assert.deepEqual(normalized, expectedResult, `Normalizes and flattens database response`);
+  });
 });