diff --git a/tools/chatgui/libutun/CMakeLists.txt b/tools/chatgui/libutun/CMakeLists.txt
index 345081a1..ccfa81bb 100644
--- a/tools/chatgui/libutun/CMakeLists.txt
+++ b/tools/chatgui/libutun/CMakeLists.txt
@@ -66,6 +66,11 @@ set_target_properties(opus_internal PROPERTIES
 
 target_link_libraries(uasync PUBLIC opus_internal)
 
+# WinSock вызывается в uasync (DNS/сокеты/event loop); импортная библиотека нужна после её архива.
+if(WIN32)
+    target_link_libraries(uasync PUBLIC ws2_32)
+endif()
+
 target_compile_definitions(uasync PRIVATE
     _ISOC99_SOURCE
     DEBUG_OUTPUT_STDERR
@@ -156,5 +161,5 @@ target_link_libraries(utun PUBLIC
 
 # Platform-specific link flags
 if(WIN32)
-    target_link_libraries(utun PUBLIC ws2_32 iphlpapi advapi32 bcrypt dbghelp)
+    target_link_libraries(utun PUBLIC iphlpapi advapi32 bcrypt dbghelp)
 endif()
diff --git a/tools/chatgui/src/main.cpp b/tools/chatgui/src/main.cpp
index 88e1ad6a..60d9a250 100644
--- a/tools/chatgui/src/main.cpp
+++ b/tools/chatgui/src/main.cpp
@@ -1,3 +1,6 @@
+#ifdef _WIN32
+#include <winsock2.h>
+#endif
 #include <QCoreApplication>
 #include <QApplication>
 #include <QIcon>
@@ -39,9 +42,10 @@ static DWORD count_threads(void) {
 
 static BOOL WINAPI console_ctrl_handler(DWORD dwCtrlType) {
     if (dwCtrlType == CTRL_C_EVENT || dwCtrlType == CTRL_BREAK_EVENT) {
-        if (g_mainWindow)
-            QMetaObject::invokeMethod(g_mainWindow, [g_mainWindow] {
-                g_mainWindow->requestShutdown();
+        MainWindow* window = g_mainWindow;
+        if (window)
+            QMetaObject::invokeMethod(window, [window] {
+                window->requestShutdown();
             }, Qt::QueuedConnection);
         else if (g_ctrl_node)
             g_ctrl_node->requestStop();