init deadline_
diff --git a/src/cpp/server/server_context.cc b/src/cpp/server/server_context.cc
index 8193e70..5be2271 100644
--- a/src/cpp/server/server_context.cc
+++ b/src/cpp/server/server_context.cc
@@ -122,6 +122,7 @@
     : completion_op_(nullptr),
       has_notify_when_done_tag_(false),
       async_notify_when_done_tag_(nullptr),
+      deadline_(gpr_inf_future(GPR_CLOCK_REALTIME)),
       call_(nullptr),
       cq_(nullptr),
       sent_initial_metadata_(false) {}