1 files changed, 2 insertions, 2 deletions
diff --git a/test/core/channel/channelz_test.cc b/test/core/channel/channelz_test.cc
index 8fa46a18da..09189fa36d 100644
--- a/test/core/channel/channelz_test.cc
+++ b/test/core/channel/channelz_test.cc
@@ -46,8 +46,8 @@ namespace testing {
 // testing peer to access channel internals
 class CallCountingHelperPeer {
  public:
-  CallCountingHelperPeer(CallCountingHelper* node) : node_(node) {}
-  grpc_millis last_call_started_millis() {
+  explicit CallCountingHelperPeer(CallCountingHelper* node) : node_(node) {}
+  grpc_millis last_call_started_millis() const {
     return (grpc_millis)gpr_atm_no_barrier_load(
         &node_->last_call_started_millis_);
   }