diff --git a/include/security.h b/include/security.h
index 69f026b803..11ff6f7704 100644
--- a/include/security.h
+++ b/include/security.h
@@ -18,6 +18,9 @@
 #define _SECURITY_H
 
 #include <sspi.h>
+
+#if defined(SECURITY_WIN32) || defined(SECURITY_KERNEL)
 #include <secext.h>
+#endif
 
 #endif /* _SECURITY_H */