diff --git a/roles/php_website/molecule/default/converge.yml b/roles/php_website/molecule/default/converge.yml
index 237294d609fb4b30448d8d0dec30bbca8c3706c9..281a31735ae19720b7467fa2524f292fe2878c33 100644
--- a/roles/php_website/molecule/default/converge.yml
+++ b/roles/php_website/molecule/default/converge.yml
@@ -62,7 +62,7 @@
         state: directory
         owner: admin-parameters-mandatory
         group: web-parameters-mandatory
-        mode: 0750
+        mode: "0750"
 
     - name: Deploy a couple of PHP pages for testing purposes
       copy:
@@ -70,7 +70,7 @@
         dest: "/var/www/parameters-mandatory/htdocs/{{ item }}"
         owner: admin-parameters-mandatory
         group: web-parameters-mandatory
-        mode: 0640
+        mode: "0640"
       with_items:
         - index.php
         - index.php3
@@ -82,7 +82,7 @@
         state: directory
         owner: admin-parameters-optional_local
         group: web-parameters-optional_local
-        mode: 0750
+        mode: "0750"
 
     - name: Deploy a couple of PHP pages for testing purposes
       copy:
@@ -90,7 +90,7 @@
         dest: "/var/www/parameters-optional.local/htdocs/{{ item }}"
         owner: admin-parameters-optional_local
         group: web-parameters-optional_local
-        mode: 0640
+        mode: "0640"
       with_items:
         - myindex.php
         - myindex.myphp