--- a/Makefile	Sun Jul 17 14:03:33 2005 +0000
+++ b/Makefile	Sun Jul 17 15:34:10 2005 +0000
@@ -603,7 +603,7 @@
 
 ### Sources
 
-C_SOURCES += ai.c
+C_SOURCES += ai_old.c
 C_SOURCES += ai_build.c
 C_SOURCES += ai_new.c
 C_SOURCES += ai_pathfinder.c