diff --git a/src/process/LokinetProcessManager.cpp b/src/process/LokinetProcessManager.cpp
index e339b9c..e99fbd2 100644
--- a/src/process/LokinetProcessManager.cpp
+++ b/src/process/LokinetProcessManager.cpp
@@ -7,6 +7,10 @@
 #include <sstream>
 #include <memory>
 #include <mutex>
+
+#ifdef Q_OS_WIN
+#include <windows.h>
+#endif
 
 using namespace std::literals::chrono_literals;
 
@@ -17,7 +21,10 @@ constexpr auto BOOTSTRAP_URL = "https://seed.lokinet.org/lokinet.signed";
 LokinetProcessManager::LokinetProcessManager()
     : m_managedThreadRunning(false)
     , m_didLaunchProcess(false)
-{
+{
+#ifdef Q_OS_WIN
+    ::CreateMutex(nullptr, FALSE, "lokinet_qt5_ui");
+#endif
 }
 
 LokinetProcessManager::~LokinetProcessManager()