diff --git a/tests/external_test.sh b/tests/external_test.sh
index 82eb20d..aa15028 100755
--- a/tests/external_test.sh
+++ b/tests/external_test.sh
@@ -2,6 +2,7 @@
 
 timeout 120 ./uts-server -c tests/cfg/uts-server.cnf -D -p ./uts-server.pid &
 
+sleep 1
 ./goodies/timestamp-file.sh -i README.rst -u http://localhost:2020 -r -O "-cert" || exit 1
 ./goodies/timestamp-file.sh -i README.rst -u http://localhost:2020 -r -O "-cert" || exit 1
 ./goodies/timestamp-file.sh -i README.rst -u http://localhost:2020 -r -O "-cert" || exit 1