diff --git a/defaults/main.yml b/defaults/main.yml
index d553cd0b..ae36701b 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -31,10 +31,10 @@ postgresql_ext_install_postgis: no
 
 postgresql_ext_postgis_version: "2.1" # be careful: check whether the postgresql/postgis versions work together
 
-postgresql_ext_postgis_deps:
-  - libgeos-c1
-  - "postgresql-{{postgresql_version}}-postgis-{{postgresql_ext_postgis_version}}"
-  - "postgresql-{{postgresql_version}}-postgis-scripts"
+# postgresql_ext_postgis_deps:
+#   - libgeos-c1
+#   - "postgresql-{{postgresql_version}}-postgis-{{postgresql_ext_postgis_version}}"
+#   - "postgresql-{{postgresql_version}}-postgis-scripts"
 
 # List of databases to be created (optional)
 postgresql_databases: []
@@ -741,3 +741,4 @@ postgresql_pgdg_releases:
 postgresql_version_terse: "{{ postgresql_version | replace('.', '') }}"
 postgresql_yum_repository_base_url: "http://yum.postgresql.org"
 postgresql_yum_repository_url: "{{ postgresql_yum_repository_base_url }}/{{ postgresql_version }}/{{ ansible_os_family | lower }}/rhel-{{ ansible_distribution_major_version }}-{{ ansible_architecture }}/pgdg-{{ postgresql_pgdg_dists[ansible_distribution] }}{{ postgresql_version_terse }}-{{ postgresql_version }}-{{ postgresql_pgdg_releases.get(postgresql_pgdg_dists[ansible_distribution]).get(postgresql_version) }}.noarch.rpm"
+postgresql_ext_postgis_version_terse: "{{ postgresql_ext_postgis_version | replace('.', '') }}"
diff --git a/tasks/configure.yml b/tasks/configure.yml
index aa4e4160..f1d408a3 100644
--- a/tasks/configure.yml
+++ b/tasks/configure.yml
@@ -70,7 +70,7 @@
     path: "{{ postgresql_conf_directory }}"
     owner: "{{ postgresql_service_user }}"
     group: "{{ postgresql_service_group }}"
-    mode: 0750
+    mode: 0700
     state: directory
 
 - name: PostgreSQL | Update configuration - pt. 1 (pg_hba.conf)
diff --git a/tasks/extensions/postgis.yml b/tasks/extensions/postgis.yml
index c8704d6f..fa671a51 100644
--- a/tasks/extensions/postgis.yml
+++ b/tasks/extensions/postgis.yml
@@ -1,16 +1,41 @@
 # file: postgresql/tasks/extensions/postgis.yml
 
+# - include_vars: "{{ item }}"
+#   with_first_found:
+#     - "../vars/{{ ansible_distribution_release }}.yml"
+#     - "../vars/empty.yml"
+
 - include_vars: "{{ item }}"
   with_first_found:
-    - "../vars/{{ ansible_distribution_release }}.yml"
+    - "../vars/{{ ansible_os_family }}.yml"
     - "../vars/empty.yml"
+  tags: [always]
 
-- name: PostgreSQL | Extensions | Make sure the postgis extensions are installed
+- name: PostgreSQL | Extensions | Make sure the postgis extensions are installed | Debian
   apt:
     name: "{{item}}"
     state: present
     update_cache: yes
     cache_valid_time: "{{apt_cache_valid_time | default (3600)}}"
-  with_items: "{{ postgresql_ext_postgis_deps }}"
+  when: ansible_os_family == "Debian"
+  # with_items: "{{ postgresql_ext_postgis_deps }}" # used to be in 'defaults/main.yml'
+  with_items:
+    - libgeos-c1
+    - "postgresql-{{postgresql_version}}-postgis-{{postgresql_ext_postgis_version}}"
+    - "postgresql-{{postgresql_version}}-postgis-scripts"
+  notify:
+    - restart postgresql
+
+- name: PostgreSQL | Extensions | Make sure the postgis extensions are installed | RedHat
+  yum:
+    name: "{{ item }}"
+    state: present
+    update_cache: yes
+  when: ansible_os_family == "RedHat"
+  environment: "{{ postgresql_env }}"
+  with_items:
+     - "postgis{{ postgresql_ext_postgis_version_terse }}_{{postgresql_version_terse}}"
+     - "postgis{{ postgresql_ext_postgis_version_terse }}_{{postgresql_version_terse}}-client"
+     - "postgis{{ postgresql_ext_postgis_version_terse }}_{{postgresql_version_terse}}-utils"
   notify:
     - restart postgresql