diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index c934811216..10aaa4a359 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -878,7 +878,7 @@ wait_client_done() {
     CLI_EXIT=$?
 
     kill $DOG_PID >/dev/null 2>&1
-    wait $DOG_PID
+    wait $DOG_PID >> $CLI_OUT 2>&1
 
     echo "EXIT: $CLI_EXIT" >> $CLI_OUT