diff --git a/roles/wsgi_website/molecule/default/converge.yml b/roles/wsgi_website/molecule/default/converge.yml
index dde593bf8abab9b6cecfe1b999ed0ff1eb5618e6..1ecfd890eee621f7c78902930f70da3f9f0b21f4 100644
--- a/roles/wsgi_website/molecule/default/converge.yml
+++ b/roles/wsgi_website/molecule/default/converge.yml
@@ -102,7 +102,7 @@
         state: directory
         owner: admin-parameters-mandatory
         group: web-parameters-mandatory
-        mode: 02750
+        mode: "02750"
       with_items:
         - htdocs/static
         - htdocs/media
@@ -113,7 +113,7 @@
         dest: "/var/www/parameters-mandatory/code/testapp.py"
         owner: admin-parameters-mandatory
         group: web-parameters-mandatory
-        mode: 0640
+        mode: "0640"
       notify:
         - Restart parameters-mandatory
     - name: Deploy a static file
@@ -122,14 +122,14 @@
         dest: "/var/www/parameters-mandatory/htdocs/static/static_file.txt"
         owner: admin-parameters-mandatory
         group: web-parameters-mandatory
-        mode: 0640
+        mode: "0640"
     - name: Deploy a media file
       copy:
         src: "tests/data/media_file.txt"
         dest: "/var/www/parameters-mandatory/htdocs/media/media_file.txt"
         owner: admin-parameters-mandatory
         group: web-parameters-mandatory
-        mode: 0640
+        mode: "0640"
 
     # parameters-optional application
     - name: Set-up directories where application files are hosted at
@@ -138,7 +138,7 @@
         state: directory
         owner: admin-parameters-optional_local
         group: web-parameters-optional_local
-        mode: 02750
+        mode: "02750"
       with_items:
         - htdocs/static
         - htdocs/media
@@ -149,7 +149,7 @@
         dest: "/var/www/parameters-optional.local/code/testapp.py"
         owner: admin-parameters-optional_local
         group: web-parameters-optional_local
-        mode: 0640
+        mode: "0640"
       notify:
         - Restart parameters-optional.local
     - name: Deploy a static file
@@ -158,14 +158,14 @@
         dest: "/var/www/parameters-optional.local/htdocs/static/static_file.txt"
         owner: admin-parameters-optional_local
         group: web-parameters-optional_local
-        mode: 0640
+        mode: "0640"
     - name: Deploy a media file
       copy:
         src: "tests/data/media_file.txt"
         dest: "/var/www/parameters-optional.local/htdocs/media/media_file.txt"
         owner: admin-parameters-optional_local
         group: web-parameters-optional_local
-        mode: 0640
+        mode: "0640"
 
     # parameters-paste-req application
     - name: Set-up directories where application files are hosted at
@@ -174,7 +174,7 @@
         state: directory
         owner: admin-parameters-paste-req
         group: web-parameters-paste-req
-        mode: 02750
+        mode: "02750"
       with_items:
         - htdocs/static
         - htdocs/media
@@ -185,7 +185,7 @@
         dest: "/var/www/parameters-paste-req/code/{{ item }}"
         owner: admin-parameters-paste-req
         group: web-parameters-paste-req
-        mode: 0640
+        mode: "0640"
       with_items:
         - config.ini
         - testapp.py
@@ -198,14 +198,14 @@
         dest: "/var/www/parameters-paste-req/htdocs/static/static_file.txt"
         owner: admin-parameters-paste-req
         group: web-parameters-paste-req
-        mode: 0640
+        mode: "0640"
     - name: Deploy a media file
       copy:
         src: "tests/data/media_file.txt"
         dest: "/var/www/parameters-paste-req/htdocs/media/media_file.txt"
         owner: admin-parameters-paste-req
         group: web-parameters-paste-req
-        mode: 0640
+        mode: "0640"
 
   handlers:
     - name: Restart parameters-mandatory