diff --git a/src/tang-show-keys b/src/tang-show-keys
index 0c33c3a..4b64bda 100755
--- a/src/tang-show-keys
+++ b/src/tang-show-keys
@@ -25,9 +25,9 @@ if [ $# -gt 1 ]; then
     exit 1
 fi
 
-port=${1-80}
+port=${1-9090}
 
-adv=$(curl -sSf "localhost:$port/adv")
+adv=$(wget -qO- "http://127.0.0.1:$port/adv")
 
 THP_DEFAULT_HASH=S256    # SHA-256.
 jose fmt --json "${adv}" -g payload -y -o- \