diff --git a/kubernetes/tasks/install/agent/install_k3s.yml b/kubernetes/tasks/install/agent/install_k3s.yml
index 94a064a..87bd64b 100644
--- a/kubernetes/tasks/install/agent/install_k3s.yml
+++ b/kubernetes/tasks/install/agent/install_k3s.yml
@@ -1,7 +1,7 @@
 - name: Install K3s agent
   command: /root/k3s_install.sh {{ type }}
   register: command
-  changed_when: "'No change detected' in command.stdout"
+  changed_when: "'No change detected' not in command.stdout"
   until: "command is not failed"
   retries: 2
   delay: 10
diff --git a/kubernetes/tasks/install/server/install_k3s.yml b/kubernetes/tasks/install/server/install_k3s.yml
index b4a3076..620b5f9 100644
--- a/kubernetes/tasks/install/server/install_k3s.yml
+++ b/kubernetes/tasks/install/server/install_k3s.yml
@@ -2,7 +2,7 @@
   command: /root/k3s_install.sh {{ type }}
   when: "inventory_hostname == groups['kubernetes'][0]"
   register: command
-  changed_when: "'No change detected' in command.stdout"
+  changed_when: "'No change detected' not in command.stdout"
 
 - name: Restart when config changed, but install already done
   service:
@@ -21,7 +21,7 @@
   command: /root/k3s_install.sh {{ type }}
   when: "inventory_hostname != groups['kubernetes'][0]"
   register: command
-  changed_when: "'No change detected' in command.stdout"
+  changed_when: "'No change detected' not in command.stdout"
   until: "command is not failed"
   retries: 2
   delay: 10