diff --git a/src/aks-preview/azext_aks_preview/custom.py b/src/aks-preview/azext_aks_preview/custom.py
index 483bc1535ca..df7842d58b4 100644
--- a/src/aks-preview/azext_aks_preview/custom.py
+++ b/src/aks-preview/azext_aks_preview/custom.py
@@ -1512,7 +1512,7 @@ def aks_addon_update(cmd, client, resource_group_name, name, addon, workspace_re
         if (instance.ingress_profile is None) or (instance.ingress_profile.web_app_routing is None) or not instance.ingress_profile.web_app_routing.enabled:
             raise InvalidArgumentValueError(f'Addon "{addon}" is not enabled in this cluster.')
 
-    if addon == "monitoring" and enable_msi_auth_for_monitoring is None:
+    elif addon == "monitoring" and enable_msi_auth_for_monitoring is None:
         enable_msi_auth_for_monitoring = True
 
     else: