diff --git a/examples/c/reccalc/reccalc.test b/examples/c/reccalc/reccalc.test
index 5e0402a8..27716a24 100644
--- a/examples/c/reccalc/reccalc.test
+++ b/examples/c/reccalc/reccalc.test
@@ -15,7 +15,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-seq 0 >/dev/null || exit 77
+(seq 0) >/dev/null 2>&1 || exit 77
 
 cat >input <<EOF
 1+2*3