diff --git a/src/inspector_agent.cc b/src/inspector_agent.cc
index 391d3bc0379..c8e62f6f0a2 100644
--- a/src/inspector_agent.cc
+++ b/src/inspector_agent.cc
@@ -693,6 +693,8 @@ bool Agent::IsWaitingForConnect() {
 }
 
 bool Agent::HasConnectedSessions() {
+  if (client_ == nullptr)
+    return false;
   return client_->hasConnectedSessions();
 }