diff --git a/storm/thread/SSyncObject.hpp b/storm/thread/SSyncObject.hpp
index fa3efec..e9ea040 100644
--- a/storm/thread/SSyncObject.hpp
+++ b/storm/thread/SSyncObject.hpp
@@ -3,6 +3,10 @@
 
 #include <cstdint>
 
+#if defined(WHOA_PLATFORM_WIN)
+#include <windows.h>
+#endif
+
 #if defined(WHOA_PLATFORM_MAC) || defined(WHOA_PLATFORM_LINUX)
 #include <pthread.h>
 #endif