diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index bb1949dfc..61f444e51 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -276,7 +276,7 @@ if (UNIX AND NOT APPLE)
     target_link_libraries(keepassx_core Qt5::DBus)
 endif()
 if(MINGW)
-    target_link_libraries(keepassx_core Wtsapi32.lib)
+    target_link_libraries(keepassx_core Wtsapi32.lib Ws2_32.lib)
 endif()
 
 if(MINGW)
diff --git a/src/browser/NativeMessagingHost.cpp b/src/browser/NativeMessagingHost.cpp
index 88b7dd722..d607698b7 100755
--- a/src/browser/NativeMessagingHost.cpp
+++ b/src/browser/NativeMessagingHost.cpp
@@ -23,6 +23,10 @@
 #include "NativeMessagingHost.h"
 #include "BrowserSettings.h"
 
+#ifdef Q_OS_WIN
+#include <Winsock2.h>
+#endif
+
 NativeMessagingHost::NativeMessagingHost(DatabaseTabWidget* parent) :
     NativeMessagingBase(),
     m_mutex(QMutex::Recursive),
@@ -150,7 +154,7 @@ void NativeMessagingHost::newLocalMessage()
     int socketDesc = socket->socketDescriptor();
     if (socketDesc) {
         int max = NATIVE_MSG_MAX_LENGTH;
-        setsockopt(socketDesc, SOL_SOCKET, SO_SNDBUF, &max, sizeof(max));
+        setsockopt(socketDesc, SOL_SOCKET, SO_SNDBUF, reinterpret_cast<char*>(&max), sizeof(max));
     }
 
     QByteArray arr = socket->readAll();