diff --git a/tests/normalizing/test_system.py b/tests/normalizing/test_system.py
index 464f7c6e00a158a0bce5a09869fc3e99310959fa..5c8197bf22476ef28d5d09785e0052b4ef1260e2 100644
--- a/tests/normalizing/test_system.py
+++ b/tests/normalizing/test_system.py
@@ -241,7 +241,7 @@ def test_vasp_incar_system():
     archive = run_normalize(archive)
     expected_value = 'SrTiO3'  # material's formula in vasp.xml
 
-    backend_value = archive.section_run[0].section_method[0].x_vasp_incar_SYSTEM
+    backend_value = archive.section_run[0].section_method[0].x_vasp_incar_in['SYSTEM']
 
     assert expected_value == backend_value