1 files changed, 1 insertions, 1 deletions
diff --git a/util/arena.cuh b/util/arena.cuh
index 950f286..f9ccb1e 100644
--- a/util/arena.cuh
+++ b/util/arena.cuh
@@ -17,7 +17,7 @@ namespace leveldb {
 
 class Arena {
  public:
-  __device__ Arena();
+  explicit __device__ Arena();
 
   Arena(const Arena&) = delete;
   Arena& operator=(const Arena&) = delete;