diff --git a/deploy.firebase.sh b/deploy.firebase.sh
index c49ef34..1e0d77b 100755
--- a/deploy.firebase.sh
+++ b/deploy.firebase.sh
@@ -35,7 +35,8 @@ args=()
 log_args=()
 if ! tty; then
    args+=("--token" "$1")
-   log_args+=("--token" "${1:0:5}")
+   log_args+=("--token" "${1:0:1}")
+   test "${1:0:1}" != "$"
 fi
 echo firebase deploy "${log_args[@]}"
 firebase deploy "${args[@]}"