diff --git a/tests/data/test155 b/tests/data/test155
index 720ca29be..0e486a65e 100644
--- a/tests/data/test155
+++ b/tests/data/test155
@@ -63,6 +63,10 @@ Finally, this is the real page!
 
 # Client-side
 <client>
+# NTLM only works if SSL-support is present
+<features>
+SSL
+</features>
 <server>
 http
 </server>