diff --git a/configure.ac b/configure.ac
index 80a028a..0e44d4b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,8 +46,9 @@ if test "${build}" != "${host}" -a "${PKG_CONFIG_LIBDIR}" = ""; then
   export PKG_CONFIG_LIBDIR=/dev/null
 fi
 
+dnl FIXME: this no longer works because libtool is generated at the end
 AC_MSG_CHECKING(for library suffix)
-LT_SUFFIX="`./libtool -n --mode=link gcc -o libTEST.la -no-undefined -version-number 123:666:999 -rpath / | xargs -n 1 | sed -ne 's/.*libTEST\(@<:@^, ()0-9@:>@*\)123\(@<:@^, ()0-9@:>@*\).*/\1'$LT_MAJOR'\2/p' | grep -v '\.$' | head -n 1`"
+LT_SUFFIX="`./libtool -n --mode=link gcc -o libTEST.la -no-undefined -version-number 123:666:999 -rpath / | xargs -n 1 | sed -ne 's/.*libTEST\(@<:@^, ()0-9@:>@*\)123\(@<:@^, ()0-9@:>@*\).*/\1'$LT_MAJOR'\2/p' | sed '/\.$/d;q'`"
 if test "$LT_SUFFIX" = ""; then
   LT_SUFFIX=".so.$LT_MAJOR"
   AC_MSG_RESULT([unknown, defaulting to $LT_SUFFIX])