diff --git a/tasks/config.yml b/tasks/config.yml
index f3f4479..ed4b60a 100644
--- a/tasks/config.yml
+++ b/tasks/config.yml
@@ -18,7 +18,7 @@
 # TODO: ugly workaround, move this to a custom module
 - block:
     - name: Add users to password file
-      shell: "mosquitto_passwd -b {{ mosquitto_password_auth_file }} {{ item.name }} {{ item.password }}"
+      command: "mosquitto_passwd -b {{ mosquitto_password_auth_file }} {{ item.name }} {{ item.password }}"
       loop: "{{ mosquitto_password_auth_users }}"
       loop_control:
         label: "{{ item.name }}"
@@ -27,7 +27,7 @@
       no_log: True
 
     - name: Remove unnecessary users from password file
-      shell: "mosquitto_passwd -D {{ mosquitto_password_auth_file }} {{ item.name }}"
+      command: "mosquitto_passwd -D {{ mosquitto_password_auth_file }} {{ item.name }}"
       loop: "{{ mosquitto_password_auth_users }}"
       loop_control:
         label: "{{ item.name }}"