diff --git a/configure.in b/configure.in
index 2faf416..6a61c80 100644
--- a/configure.in
+++ b/configure.in
@@ -325,10 +325,7 @@ AC_INIT(c/scheme48vm.c)
   echo "WARNING: "
   ;;
 esac
-     cd $srcdir/scsh
-     rm -rf machine
-     ln -s $dir machine	
-     cd -
+     (cd $srcdir/scsh &&  rm -rf machine && ln -s $dir machine)
 
      AC_CHECK_LIB(m, main)
      AC_CHECK_LIB(dl, main)