diff --git a/example/net/poettering/Calculator.interface.yaml b/example/net/poettering/Calculator.interface.yaml
index 6e44093..a942f5c 100644
--- a/example/net/poettering/Calculator.interface.yaml
+++ b/example/net/poettering/Calculator.interface.yaml
@@ -42,6 +42,9 @@
       errors:
         - self.Error.DivisionByZero
     - name: Clear
+      flags:
+        - unprivileged
+        - no_reply
       description: >
         Reset the LastResult property to zero.
 properties: