diff --git a/tests/common_testing/alfasim_sdk_common_testing/filled_case_descriptions.py b/tests/common_testing/alfasim_sdk_common_testing/filled_case_descriptions.py
index 945d5483..b5923418 100644
--- a/tests/common_testing/alfasim_sdk_common_testing/filled_case_descriptions.py
+++ b/tests/common_testing/alfasim_sdk_common_testing/filled_case_descriptions.py
@@ -918,7 +918,7 @@
 
 CONTROLLER_OUTPUT_SIGNAL_PROPERTIES_DESCRIPTION = (
     case_description.ControllerOutputSignalPropertiesDescription(
-        controlled_property="opening",
+        controlled_property="valve current opening",
         unit="%",
         network_element_name="VALVE",
         min_value=0.0,