diff --git a/test/timeout.sh b/test/timeout.sh
index eb8d3c4..746b0aa 100755
--- a/test/timeout.sh
+++ b/test/timeout.sh
@@ -34,7 +34,7 @@
         echo -n "${res:$i:1}" || true
         sleep 1
     done
-} | nc -l $PORT >/dev/null &
+} | tail -n +1 | nc -l $PORT >/dev/null &
 PID=$!
 if timeout 10s time $DUB fetch dub --skip-registry=all --registry=http://localhost:$PORT; then
     die $LINENO 'Fetching from too slow registry should fail.'