diff --git a/roles/blackbox_exporter/tasks/configure.yml b/roles/blackbox_exporter/tasks/configure.yml
index c4dd1aeea..447e1c6b6 100644
--- a/roles/blackbox_exporter/tasks/configure.yml
+++ b/roles/blackbox_exporter/tasks/configure.yml
@@ -5,7 +5,7 @@
     dest: /etc/systemd/system/blackbox_exporter.service
     owner: root
     group: root
-    mode: 0644
+    mode: '0644'
   notify:
     - restart blackbox_exporter
 
@@ -15,6 +15,6 @@
     dest: "{{ blackbox_exporter_config_dir }}/blackbox_exporter.yml"
     owner: root
     group: "{{ blackbox_exporter_group }}"
-    mode: 0644
+    mode: '0644'
   notify:
     - reload blackbox_exporter
diff --git a/roles/blackbox_exporter/tasks/install.yml b/roles/blackbox_exporter/tasks/install.yml
index 5d951f90f..6470b465d 100644
--- a/roles/blackbox_exporter/tasks/install.yml
+++ b/roles/blackbox_exporter/tasks/install.yml
@@ -58,7 +58,7 @@
   ansible.builtin.copy:
     src: "{{ blackbox_exporter_binary_local_dir }}/blackbox_exporter"
     dest: "{{ blackbox_exporter_binary_install_dir }}/blackbox_exporter"
-    mode: 0755
+    mode: '0755'
     owner: root
     group: root
   when: