diff --git a/roles/matrix/tasks/main.yml b/roles/matrix/tasks/main.yml
index 241ebde..dbcfefb 100644
--- a/roles/matrix/tasks/main.yml
+++ b/roles/matrix/tasks/main.yml
@@ -10,11 +10,11 @@
   apt_repository: repo="deb https://packages.matrix.org/debian/ {{ ansible_distribution_release }} main"
 
 - name: Install matrix
-  apt: name={{ item }}
-  with_items:
-  - matrix-synapse-py3
-  - postgresql
-  - python-psycopg2
+  apt:
+    name:
+    - matrix-synapse-py3
+    - postgresql
+    - python-psycopg2
 
 - name: Configure PostgreSQL database
   postgresql_db: name={{ matrix_dbname }} lc_collate=C lc_ctype=C template=template0