diff --git a/src/libs/portability/win32.cpp b/src/libs/portability/win32.cpp
index 545a5df5..702e93ad 100644
--- a/src/libs/portability/win32.cpp
+++ b/src/libs/portability/win32.cpp
@@ -10,6 +10,7 @@
 
 #include "portability.h"
 
+#include <windows.h>
 #include <winerror.h>
 #include <shellapi.h>
 #include <cerrno>
diff --git a/src/libs/tgf/modinfo.h b/src/libs/tgf/modinfo.h
index ba9ff4b9..582b6398 100644
--- a/src/libs/tgf/modinfo.h
+++ b/src/libs/tgf/modinfo.h
@@ -87,6 +87,7 @@ typedef struct ModInfoNC {
 typedef void* tSOHandle;
 
 #ifdef WIN32
+#include <windows.h>
 #define SOHandle(h) ((HMODULE)(h))
 #else
 #define SOHandle(h) ((void*)(h))
diff --git a/src/libs/tgf/module.cpp b/src/libs/tgf/module.cpp
index c5bbf455..4c13c04b 100644
--- a/src/libs/tgf/module.cpp
+++ b/src/libs/tgf/module.cpp
@@ -29,6 +29,7 @@
 #include "tgf.hpp"
 
 #ifdef WIN32
+#include <windows.h>
 # define dlopen(pszShLibFileName) (void*)LoadLibrary(pszShLibFileName)
 # define dlsym(pvHandle, pszFuncName) GetProcAddress((HMODULE)pvHandle, pszFuncName)
 # define dlclose(pvHandle) !FreeLibrary((HMODULE)pvHandle)