From 3cf9e05efdb7d94c9e42450b1f16573c79dd4c12 Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Wed, 3 Apr 2019 13:28:42 -0400
Subject: [PATCH] nope, that was wrong, but this seems to be right.

---
 .circleci/config.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 0bcce318d..94c5cc298 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -439,7 +439,7 @@ jobs:
       - run:
           name: "Build Debian 9 image"
           command: |
-            docker build -t tahoe-lafs/ci-debian-9:latest -f .circleci/Dockerfile.debian-9
+            docker build -t tahoe-lafs/ci-debian-9:latest -f .circleci/Dockerfile.debian-9 .
       - run:
           name: "Push Debian 9 image"
           command: |