diff --git a/packages/react-native/ReactCommon/jsinspector-modern/network/NetworkHandler.cpp b/packages/react-native/ReactCommon/jsinspector-modern/network/NetworkHandler.cpp
index 0025a731b4542b..3e8c6d9f8eefe5 100644
--- a/packages/react-native/ReactCommon/jsinspector-modern/network/NetworkHandler.cpp
+++ b/packages/react-native/ReactCommon/jsinspector-modern/network/NetworkHandler.cpp
@@ -56,6 +56,7 @@ bool NetworkHandler::disable() {
   }
 
   enabled_.store(false, std::memory_order_release);
+  std::lock_guard<std::mutex> lock(requestBodyMutex_);
   responseBodyBuffer_.clear();
   return true;
 }