diff --git a/branches/2.0/doubango/configure.ac b/branches/2.0/doubango/configure.ac
index d2fb15e2..b53c0958 100755
--- a/branches/2.0/doubango/configure.ac
+++ b/branches/2.0/doubango/configure.ac
@@ -181,7 +181,7 @@ AC_ARG_WITH(speex,
 AM_CONDITIONAL(USE_SPEEXDSP, false)
 AC_ARG_WITH(speexdsp,
 [  --with-speexdsp            Link against libspeexdsp library],
- [AC_DEFINE_UNQUOTED(HAVE_LIB_SPEEXDSP, 1, HAVE_LIB_SPEEXDSP)
+ [AC_DEFINE_UNQUOTED(HAVE_SPEEXDSP, 1, HAVE_SPEEXDSP)
  AC_SUBST(LIBSPEEXDSP_LIBADD, "-lspeexdsp")
  AM_CONDITIONAL(USE_SPEEXDSP, true)], 
  [ AC_SUBST(LIBSPEEXDSP_LIBADD, "")])