diff --git a/libcef/browser/devtools/devtools_frontend.cc b/libcef/browser/devtools/devtools_frontend.cc
index 0d4e6605c..9a94ec99b 100644
--- a/libcef/browser/devtools/devtools_frontend.cc
+++ b/libcef/browser/devtools/devtools_frontend.cc
@@ -532,8 +532,10 @@ void CefDevToolsFrontend::HandleMessageFromDevToolsFrontend(
 void CefDevToolsFrontend::DispatchProtocolMessage(
     content::DevToolsAgentHost* agent_host,
     base::span<const uint8_t> message) {
-  if (frontend_browser_->GetWebContents()->IsBeingDestroyed())
+  if (!frontend_browser_->GetWebContents() ||
+      frontend_browser_->GetWebContents()->IsBeingDestroyed()) {
     return;
+  }
 
   base::StringPiece str_message(reinterpret_cast<const char*>(message.data()),
                                 message.size());