diff --git a/.ci/tests/integration/cases/logging-window-function/manifests.yaml b/.ci/tests/integration/cases/logging-window-function/manifests.yaml
index cfa816ae..0d6b77f8 100644
--- a/.ci/tests/integration/cases/logging-window-function/manifests.yaml
+++ b/.ci/tests/integration/cases/logging-window-function/manifests.yaml
@@ -36,7 +36,7 @@ spec:
   windowConfig:
     windowLengthCount: 10
     slidingIntervalCount: 5
-    processingGuarantee: atleast_once
+    processingGuarantee: ATLEAST_ONCE
   # the processingGuarantee should be manual for window function
   # see: https://github.com/apache/pulsar/pull/16279/files#diff-c77c024ccb31c94a7aa80cb8e96d7e370709157bdc104a1be7867fb6c7aa0586R318-R319
   processingGuarantee: manual