--- a/configure	Sun Mar 31 12:27:28 2013 +0100
+++ b/configure	Sun Mar 31 20:04:09 2013 +0200
@@ -95,6 +95,7 @@
       if [ "$OSTYPE" = "debian" ]
       then LUA_SUFFIX="5.1";
 	LUA_SUFFIX_SET=yes
+	RUNWITH="lua5.1"
 	LUA_INCDIR=/usr/include/lua5.1;
 	LUA_INCDIR_SET=yes
 	CFLAGS="$CFLAGS -D_GNU_SOURCE"