diff --git a/molecule/ssl_auth_sasl/prepare.yml b/molecule/ssl_auth_sasl/prepare.yml
index 882ba94..fcbf82d 100644
--- a/molecule/ssl_auth_sasl/prepare.yml
+++ b/molecule/ssl_auth_sasl/prepare.yml
@@ -19,7 +19,7 @@
         dest: /tmp/
         owner: root
         group: root
-        mode: 0077
+        mode: "0077"
 
     - name: "Generate required SSL artifacts."
       ansible.builtin.command: "/tmp/generate_keys_and_certs.sh"
diff --git a/molecule/ssl_no_auth/prepare.yml b/molecule/ssl_no_auth/prepare.yml
index ed33509..8641cda 100644
--- a/molecule/ssl_no_auth/prepare.yml
+++ b/molecule/ssl_no_auth/prepare.yml
@@ -19,7 +19,7 @@
         dest: /tmp/
         owner: root
         group: root
-        mode: 0077
+        mode: "0077"
 
     - name: "Generate required SSL artefacts."
       ansible.builtin.command: "/tmp/generate_keys_and_certs.sh"