--- libaitcfg/inc/config.h.in	2008/09/30 14:56:52	1.1.2.2
+++ libaitcfg/inc/config.h.in	2009/09/09 09:07:31	1.2
@@ -69,7 +69,7 @@
 #undef STDC_HEADERS
 
 /* Build libraries with debug information and additional messages */
-#undef _DEBUG
+#undef __DEBUG
 
 /* Define to empty if `const' does not conform to ANSI C. */
 #undef const