X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/419893d77041c006cb22eeaa189f9797773fbdc1..10a6c925566711afc44db711fb10d6a4a0c70a91:/configure.ac

diff --git a/configure.ac b/configure.ac
index 0f8f91c..7b4fe51 100644
--- a/configure.ac
+++ b/configure.ac
@@ -188,7 +188,7 @@ AC_CACHE_CHECK([sox version],[rjk_cv_soxver],[
 
 AC_CACHE_CHECK([default sox generation],[rjk_cv_soxgen],[
   case $rjk_cv_soxver in
-  [0-9].* | 1[0123].* )
+  [[0-9]].* | 1[[0123]].* )
     rjk_cv_soxgen=0
     ;;
   * )