diff --git a/src/test/cord-api/Tests/WorkflowValidations/ATT_Test001.robot b/src/test/cord-api/Tests/WorkflowValidations/ATT_Test001.robot
index f45fae9..4a9246b 100644
--- a/src/test/cord-api/Tests/WorkflowValidations/ATT_Test001.robot
+++ b/src/test/cord-api/Tests/WorkflowValidations/ATT_Test001.robot
@@ -430,5 +430,5 @@
 Update ONU AdminState
     [Arguments]    ${new_admin_state}
     ${onudevice_id}=    Retrieve ONU Device    ${src0['onu']}
-    CORD Put    ${VOLT_DEVICE}    ${"admin_state": ${new_admin_state} }    ${onudevice_id}
+    CORD Put    ${VOLT_DEVICE}    {"admin_state": ${new_admin_state} }    ${onudevice_id}