diff -Naur vavoom-1.21.bak/source/files.cpp vavoom-1.21/source/files.cpp
--- vavoom-1.21.bak/source/files.cpp	2006-06-27 12:47:24.000000000 -0700
+++ vavoom-1.21/source/files.cpp	2006-07-15 12:31:34.000000000 -0700
@@ -336,7 +336,7 @@
 	const char* p;
 
 	//	Set up base directory (main data files).
-	fl_basedir = ".";
+	fl_basedir = FL_BASEDIR;
 	p = GArgs.CheckValue("-basedir");
 	if (p)
 	{
diff -Naur vavoom-1.21.bak/source/files.h vavoom-1.21/source/files.h
--- vavoom-1.21.bak/source/files.h	2006-06-27 12:47:24.000000000 -0700
+++ vavoom-1.21/source/files.h	2006-07-15 12:30:51.000000000 -0700
@@ -47,3 +47,5 @@
 extern VStr		fl_basedir;
 extern VStr		fl_savedir;
 extern VStr		fl_gamedir;
+
+#define FL_BASEDIR      "."