diff --git a/tasks/rosetta/install_checkit_tiff.yml b/tasks/rosetta/install_checkit_tiff.yml
index abf5243b0bc0cad93717474f9c89eed006f865d3..824183c4acb494ced662bc76f2721181290837a8 100644
--- a/tasks/rosetta/install_checkit_tiff.yml
+++ b/tasks/rosetta/install_checkit_tiff.yml
@@ -11,7 +11,7 @@
   ansible.builtin.file:
     path: "/operational_shared/software/"
     state: directory
-    mode: 0755
+    mode: "0755"
 
 - name: deploy checkit_tiff-Configs
   ansible.builtin.file:
diff --git a/tasks/rosetta/install_mediaconch.yml b/tasks/rosetta/install_mediaconch.yml
index 262482f4d2357311f5ac7c17ce159e789a04c97a..93fadba9971921001ae2a548d5d624a2cc04cf26 100644
--- a/tasks/rosetta/install_mediaconch.yml
+++ b/tasks/rosetta/install_mediaconch.yml
@@ -51,7 +51,7 @@
     remote_src: true
     owner: "{{ vault_rosetta_user }}"
     group: "{{ vault_rosetta_group }}"
-    mode: 0644
+    mode: "0644"
 
 - name: create MediaConch etc directory
   ansible.builtin.file:
@@ -59,15 +59,15 @@
     state: directory
     mode: '0755'
 
-- name: set MediaConch profile symlink  # based on SLUBArchiv.digital Release 2022-01
+- name: set MediaConch profile symlink    # based on SLUBArchiv.digital Release 2022-01
   ansible.builtin.file:
-    src: "{{ item.src }}"  # HINT: default paths of Rosetta MediaConch Plugin
+    src: "{{ item.src }}"    # HINT: default paths of Rosetta MediaConch Plugin
     dest: "{{ item.dest }}"
     state: link
     force: true
     mode: "0644"
   loop:
-    - { src: "/etc/mediaconch/current_slub.cfg",  dest: "/operational_shared/software/SLUB_mediaconch_policy_all.xml" }
+    - { src: "/etc/mediaconch/current_slub.cfg", dest: "/operational_shared/software/SLUB_mediaconch_policy_all.xml" }
     - { src: "/etc/mediaconch/upcoming_slub.cfg", dest: "/operational_shared/software/SLUB_mediaconch_policy_all.xml" }
   when:
     - mc_profile_repo_cloned.before != mc_profile_repo_cloned.after