diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9b100b4..816c37f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -35,7 +35,7 @@
 jobs:
     build:
         machine:
-            - image: ubuntu-1604:201903-01
+            image: ubuntu-1604:201903-01
 #        docker:
 #            # specify the version you desire here
 #            # CircleCI maintains a library of pre-built images