diff --git a/test/timeout.sh b/test/timeout.sh
index 4e7f7db..eb8d3c4 100755
--- a/test/timeout.sh
+++ b/test/timeout.sh
@@ -31,7 +31,7 @@
 \r
 {}')
     for i in $(seq 0 $((${#res} - 1))); do
-        echo -n "${res:$i:1}"
+        echo -n "${res:$i:1}" || true
         sleep 1
     done
 } | nc -l $PORT >/dev/null &