diff --git a/src/cpp/client/client_context.cc b/src/cpp/client/client_context.cc
index d3e5ce0c4a6bef6c77a52911df3eb70412721dac..0ba77a5057f9b8166533008aa53946ead1b13460 100644
--- a/src/cpp/client/client_context.cc
+++ b/src/cpp/client/client_context.cc
@@ -63,6 +63,7 @@ ClientContext::ClientContext()
       call_(nullptr),
       call_canceled_(false),
       deadline_(gpr_inf_future(GPR_CLOCK_REALTIME)),
+      census_context_(nullptr),
       propagate_from_call_(nullptr) {
   g_client_callbacks->DefaultConstructor(this);
 }