diff --git a/tasks/install.yml b/tasks/install.yml
index 34e95fc..3249a31 100644
--- a/tasks/install.yml
+++ b/tasks/install.yml
@@ -36,6 +36,7 @@
 
   when:
   - zerotier_repo|succeeded
+  - not ansible_check_mode
   tags:
   - installation
   - packages
diff --git a/tasks/join_network.yml b/tasks/join_network.yml
index 4dba8b1..26e0213 100644
--- a/tasks/join_network.yml
+++ b/tasks/join_network.yml
@@ -29,5 +29,6 @@
 
   when:
   - zerotier_accesstoken is defined
+  - not ansible_check_mode
   tags:
   - configuration
diff --git a/tasks/main.yml b/tasks/main.yml
index 8d19b7d..fc3a08f 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -5,6 +5,7 @@
 - name: Check for successfully joined networks
   shell: zerotier-cli listnetworks | grep 'OK'| awk '{print $3}'
   register: joinednetworks
+  check_mode: yes
 
 - include_tasks: join_network.yml
   when: