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-rw-r--r--configd/src/apps/sentinel/outward-check.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/configd/src/apps/sentinel/outward-check.h b/configd/src/apps/sentinel/outward-check.h
index 9aec52dc678..ab11eb74a71 100644
--- a/configd/src/apps/sentinel/outward-check.h
+++ b/configd/src/apps/sentinel/outward-check.h
@@ -1,5 +1,7 @@
// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+#pragma once
+
#include <string>
#include <vespa/vespalib/util/count_down_latch.h>
#include <vespa/fnet/frt/supervisor.h>