diff --git a/include/dosbox.h b/include/dosbox.h
index b5e091b9..c40ab187 100644
--- a/include/dosbox.h
+++ b/include/dosbox.h
@@ -20,6 +20,10 @@
 #ifndef DOSBOX_DOSBOX_H
 #define DOSBOX_DOSBOX_H
 
+#if defined(LINUX)
+#error
+#endif
+
 #include "config.h"
 
 GCC_ATTRIBUTE(noreturn) void E_Exit(const char * message,...) GCC_ATTRIBUTE( __format__(__printf__, 1, 2));