diff --git a/include/compat/pthread.h b/include/compat/pthread.h
index 53d2bbc..8edb806 100644
--- a/include/compat/pthread.h
+++ b/include/compat/pthread.h
@@ -5,7 +5,7 @@
 
 #ifdef _WIN32
 
-#include <synchapi.h>
+#include <windows.h>
 
 /*
  * Static once initialization values.