Make ClusterStateBundle constructor explicit.

1 files changed, 1 insertions, 1 deletions

diff --git a/storage/src/vespa/storage/common/cluster_state_bundle.h b/storage/src/vespa/storage/common/cluster_state_bundle.h
index af4a12a8b3c..1072ad26596 100644
--- a/storage/src/vespa/storage/common/cluster_state_bundle.h
+++ b/storage/src/vespa/storage/common/cluster_state_bundle.h
@@ -17,7 +17,7 @@ class ClusterStateBundle
     using ClusterState = lib::ClusterState;
     std::shared_ptr<const ClusterState> _baselineClusterState;
 public:
-    ClusterStateBundle(const ClusterState &baselineClusterState);
+    explicit ClusterStateBundle(const ClusterState &baselineClusterState);
     ~ClusterStateBundle();
     const std::shared_ptr<const ClusterState> &getBaselineClusterState() const;
     const std::shared_ptr<const ClusterState> &getDerivedClusterState(document::BucketSpace bucketSpace) const;