diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 335f59d..a8456bd 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -4009,7 +4009,7 @@
 
 requires_gnutls
 run_test    "ClientHello without extensions, SHA-1 allowed" \
-            "$P_SRV debug_level=3" \
+            "$P_SRV debug_level=3 key_file=data_files/server2.key crt_file=data_files/server2.crt" \
             "$G_CLI --priority=NORMAL:%NO_EXTENSIONS:%DISABLE_SAFE_RENEGOTIATION localhost" \
             0 \
             -s "dumping 'client hello extensions' (0 bytes)"