diff --git a/README.md b/README.md
index b542e46..e00a295 100644
--- a/README.md
+++ b/README.md
@@ -468,7 +468,7 @@ create a signature for. Likely you want the name of a git tag, such as `v2.0.4`.
 From the project root directory, run:
 
 ```
-zcash-gitian$ vagrant up --provision zcash-build
+zcash-gitian$ vagrant up zcash-build
 ```
 
 This will provision a Gitian host virtual machine that uses a Linux container (LXC) guest to perform
diff --git a/roles/common/tasks/packages.yml b/roles/common/tasks/packages.yml
index 645d0b5..ebd28ea 100644
--- a/roles/common/tasks/packages.yml
+++ b/roles/common/tasks/packages.yml
@@ -1,8 +1,7 @@
 ---
 - name: Install some common packages.
   apt:
-    name: "{{ item }}"
+    name: '{{ zcash_common_packages }}'
     state: present
     update_cache: yes
     cache_valid_time: 3600
-  with_items: "{{ zcash_common_packages }}"
diff --git a/roles/gitian/tasks/main.yml b/roles/gitian/tasks/main.yml
index 1c80832..2585bc7 100644
--- a/roles/gitian/tasks/main.yml
+++ b/roles/gitian/tasks/main.yml
@@ -12,24 +12,23 @@
 
 - name: Install Gitian dependencies.
   apt:
-    name: "{{ item }}"
+    name:
+      - apt-cacher-ng
+      - bridge-utils
+      - curl
+      - debootstrap
+      - git-core
+      - gnupg2
+      - kpartx
+      - lintian
+      - lxc
+      - make
+      - python-cheetah
+      - qemu-utils
+      - ruby
+      - sudo
     state: present
     update_cache: yes
-  with_items:
-    - apt-cacher-ng
-    - bridge-utils
-    - curl
-    - debootstrap
-    - git-core
-    - gnupg2
-    - kpartx
-    - lintian
-    - lxc
-    - make
-    - python-cheetah
-    - qemu-utils
-    - ruby
-    - sudo
 
 - name: Set up the Gitian build user with sudo.
   user: