--- a/security/sandbox/chromium-shim/sandbox/win/loggingCallbacks.h
+++ b/security/sandbox/chromium-shim/sandbox/win/loggingCallbacks.h
@@ -98,17 +98,19 @@ Log(const char* aMessageType,
 
   std::string msg = msgStream.str();
 #if defined(DEBUG)
   // Use NS_DebugBreak directly as we want child process prefix, but not source
   // file or line number.
   NS_DebugBreak(NS_DEBUG_WARNING, nullptr, msg.c_str(), nullptr, -1);
 #endif
 
-  nsContentUtils::LogMessageToConsole(msg.c_str());
+  if (nsContentUtils::IsInitialized()) {
+    nsContentUtils::LogMessageToConsole(msg.c_str());
+  }
 }
 
 // Initialize sandbox logging if required.
 static void
 InitLoggingIfRequired()
 {
   if (!sProvideLogFunctionCb) {
     return;