diff --git a/postgresql/defaults/main.yml b/postgresql/defaults/main.yml
index 81a255ac..f459aeff 100644
--- a/postgresql/defaults/main.yml
+++ b/postgresql/defaults/main.yml
@@ -11,5 +11,8 @@ postgresql_effective_cache_size: "{{ (ansible_memtotal_mb * 0.5) | int }}MB"
 # PostgreSQL version
 postgresql_version: '9.6'
 
-#Set locales
+# Set locales
 locales_default: fr_FR.UTF-8
+
+# PostGIS
+postgresql_install_postgis: false 
diff --git a/postgresql/tasks/main.yml b/postgresql/tasks/main.yml
index f80ddca6..48ab5ec1 100644
--- a/postgresql/tasks/main.yml
+++ b/postgresql/tasks/main.yml
@@ -17,3 +17,6 @@
 - include: munin.yml
 
 - include: logrotate.yml
+
+- include: postgis.yml
+  when: postgresql_install_postgis == "true" 
diff --git a/postgresql/tasks/postgis.yml b/postgresql/tasks/postgis.yml
new file mode 100644
index 00000000..ed4ebe4a
--- /dev/null
+++ b/postgresql/tasks/postgis.yml
@@ -0,0 +1,5 @@
+---
+- name: Install PostGIS extention 
+  apt:
+    name: postgis
+    state: present