diff --git a/tasks/main.yml b/tasks/main.yml
index 306d184..782427b 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -19,6 +19,15 @@
       - libmagic-dev
     state: present
 
+- name: Install libjpeg-dev
+  become: yes
+  apt:
+    update_cache: yes
+    pkg:
+      - libjpeg-dev
+    state: present
+  when: odoo_role_odoo_version < "12.0"
+
 - name: Check if wkhtmltopdf is installed
   shell: set -o pipefail && dpkg -s wkhtmltox | grep 'install ok installed'
   args:
@@ -77,6 +86,14 @@
     path: "{{ odoo_role_odoo_path }}/requirements.txt"
     line: python-magic
 
+- name: Force python-stdnum==1.9
+  become: yes
+  become_user: "{{ odoo_role_odoo_user }}"
+  lineinfile:
+    path: "{{ odoo_role_odoo_path }}/requirements.txt"
+    line: python-stdnum==1.9
+  when: odoo_role_odoo_version < "12.0"
+
 - name: Install Odoo python requirements
   become: yes
   become_user: "{{ odoo_role_odoo_user }}"