diff --git a/playbook/roles/role-one/files/user.js b/playbook/roles/role-one/files/user.js
new file mode 100644
index 0000000..23c1c9c
--- /dev/null
+++ b/playbook/roles/role-one/files/user.js
@@ -0,0 +1 @@
+user_pref("browser.uiCustomization.state", "{\"placements\":{\"widget-overflow-fixed-list\":[],\"nav-bar\":[\"back-button\",\"forward-button\",\"stop-reload-button\",\"customizableui-special-spring1\",\"urlbar-container\",\"customizableui-special-spring2\",\"new-tab-button\",\"save-to-pocket-button\",\"downloads-button\",\"fxa-toolbar-menu-button\"],\"toolbar-menubar\":[\"menubar-items\"],\"TabsToolbar\":[\"tabbrowser-tabs\",\"alltabs-button\"],\"PersonalToolbar\":[\"import-button\",\"personal-bookmarks\"]},\"seen\":[\"save-to-pocket-button\",\"developer-button\"],\"dirtyAreaCache\":[\"nav-bar\",\"PersonalToolbar\",\"toolbar-menubar\",\"TabsToolbar\"],\"currentVersion\":17,\"newElementCount\":6}");
\ No newline at end of file
diff --git a/playbook/roles/role-one/tasks/customize-firefox.yml b/playbook/roles/role-one/tasks/customize-firefox.yml
index 9494d75..7323b82 100644
--- a/playbook/roles/role-one/tasks/customize-firefox.yml
+++ b/playbook/roles/role-one/tasks/customize-firefox.yml
@@ -19,3 +19,15 @@
 - name: Customize Firefox | Run Firefox Tweaks
   shell: "cd {{ home_directory }}/Downloads/WhiteSur-gtk-theme/ && ./tweaks.sh -f"
   when: firefox_check.rc == 0
+
+- name: Customize Firefox | Get the name of default profile
+  shell:
+    cmd: "ls ~/.mozilla/firefox/ | grep 'default-release'"
+  register: firefox_profile
+  when: firefox_check.rc == 0
+
+- name: Customize Firefox | Place user.js in profile
+  copy:
+    src: user.js
+    dest: "{{ home_directory }}/.mozilla/firefox/{{ firefox_profile.stdout }}/user.js"
+  when: firefox_check.rc == 0