diff --git a/pillar.example b/pillar.example
index 3cb072d..3f34787 100644
--- a/pillar.example
+++ b/pillar.example
@@ -8,6 +8,9 @@ postgres:
   lookup:
     pkg: 'postgresql-9.3'
     pkg_client: 'postgresql-client-9.3'
+    pkgs_extra:
+      - postgresql-contrib
+      - postgresql-plpython
     pg_hba: '/etc/postgresql/9.3/main/pg_hba.conf'
 
   users:
diff --git a/postgres/defaults.yaml b/postgres/defaults.yaml
index a81db3c..68be623 100644
--- a/postgres/defaults.yaml
+++ b/postgres/defaults.yaml
@@ -3,7 +3,7 @@ postgres:
   pkg_dev: postgresql-devel
   pkg_libpq_dev: postgresql-libs
   pkg_client: postgresql-client
-  pkg_contrib: postgresql-contrib
+  pkgs_extra:
   python: python-psycopg2
   service: postgresql
   conf_dir: /var/lib/pgsql/data
diff --git a/postgres/init.sls b/postgres/init.sls
index e8559b3..92432b4 100644
--- a/postgres/init.sls
+++ b/postgres/init.sls
@@ -43,10 +43,10 @@ run-postgresql:
     - require:
       - pkg: install-postgresql
 
-{% if postgres.pkg_contrib != False %}
-install-postgres-contrib:
+{% if postgres.pkgs_extra %}
+install-postgres-extra:
   pkg.installed:
-    - name: {{ postgres.pkg_contrib }}
+    - pkgs: {{ postgres.pkgs_extra }}
 {% endif %}
 
 {% if postgres.postgresconf %}