diff --git a/Token.h b/Token.h
index 2d4441d08..e5c61c7e4 100644
--- a/Token.h
+++ b/Token.h
@@ -47,6 +47,10 @@
 #include <libsolidity/Utils.h>
 #include <libsolidity/Exceptions.h>
 
+#if defined(DELETE)
+#error The macro "DELETE" from windows.h conflicts with this file. Please change the order of includes.
+#endif
+
 namespace dev
 {
 namespace solidity