diff --git a/stepmania/autoconf/m4/audio.m4 b/stepmania/autoconf/m4/audio.m4
index 00ee4b1ebf..4c26803c57 100644
--- a/stepmania/autoconf/m4/audio.m4
+++ b/stepmania/autoconf/m4/audio.m4
@@ -1,6 +1,6 @@
 AC_DEFUN([SM_AUDIO], [
 
-AC_ARG_WITH(vorbis, AC_HELP_STRING([--without-vorbis], [Disable Vorbis support]), with_vorbis=$enableval, with_vorbis=yes)
+AC_ARG_WITH(vorbis, AC_HELP_STRING([--without-vorbis], [Disable Vorbis support]), with_vorbis=$withval, with_vorbis=yes)
 
 # This is used to force the integer decoder, on systems that prefer it.
 AC_ARG_WITH(integer-vorbis, AC_HELP_STRING([--with-integer-vorbis], [Integer vorbis decoding only]), with_int_vorbis=$withval, with_int_vorbis=no)