diff --git a/g3w-admin/core/tests/test_qgisapi.py b/g3w-admin/core/tests/test_qgisapi.py
index 5c4e070ca..3eebdacf4 100644
--- a/g3w-admin/core/tests/test_qgisapi.py
+++ b/g3w-admin/core/tests/test_qgisapi.py
@@ -411,7 +411,7 @@ def test_layer_expression_eval(self):
         url = reverse('layer-expression-eval',
                       args=[project.pk])
 
-        self._expression_evaluate(url, '1', 1)
+        self._expression_evaluate(url, {'result': True, 'value': 1}, 1)
 
         form_data = {
             'bbox': [-92.28845, 13.7392, -88.23725, 17.783133],