diff --git a/roles/mongodb/tasks/install.yml b/roles/mongodb/tasks/install.yml
index 05d05c8a6..ccf5af68e 100644
--- a/roles/mongodb/tasks/install.yml
+++ b/roles/mongodb/tasks/install.yml
@@ -102,7 +102,8 @@
 - block:
   - name: Add mongodb.org signing key
     shell: wget -qO - https://www.mongodb.org/static/pgp/server-4.4.asc | apt-key add -
-    warn: false
+    args:
+      warn: false
 
   - name: Add mongodb repo for Debian 10 amd64
     apt_repository:
@@ -135,7 +136,7 @@
   - name: Change the mongodb port to 27018
     lineinfile:
       path: /etc/mongod.conf
-      regexp: '^port:$'
+      regexp: 'port: 27017'
       backrefs: yes
       line: '  port: 27018'