Add explicit keyword.

1 files changed, 1 insertions, 1 deletions

diff --git a/storage/src/vespa/storage/distributor/distributor_bucket_space_repo.h b/storage/src/vespa/storage/distributor/distributor_bucket_space_repo.h
index eb268d0fbd9..f012b25e351 100644
--- a/storage/src/vespa/storage/distributor/distributor_bucket_space_repo.h
+++ b/storage/src/vespa/storage/distributor/distributor_bucket_space_repo.h
@@ -19,7 +19,7 @@ private:
     BucketSpaceMap _map;
 
 public:
-    DistributorBucketSpaceRepo(uint16_t node_index);
+    explicit DistributorBucketSpaceRepo(uint16_t node_index);
     ~DistributorBucketSpaceRepo();
 
     DistributorBucketSpaceRepo(const DistributorBucketSpaceRepo&&) = delete;