diff --git a/src/app/win/Whoa.cpp b/src/app/win/Whoa.cpp
index 71fdbe4..b82602e 100644
--- a/src/app/win/Whoa.cpp
+++ b/src/app/win/Whoa.cpp
@@ -1,4 +1,5 @@
 #include "client/Client.hpp"
+#include <windows.h>
 
 int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd) {
     // TODO