diff --git a/roles/kubernetes/preinstall/tasks/0080-system-configurations.yml b/roles/kubernetes/preinstall/tasks/0080-system-configurations.yml
index 35cc0b0d5dc8a7c91221f6ce7772ba91d1e64822..be0200921d648e940ecfb819fa4cee9d4dd5003f 100644
--- a/roles/kubernetes/preinstall/tasks/0080-system-configurations.yml
+++ b/roles/kubernetes/preinstall/tasks/0080-system-configurations.yml
@@ -58,7 +58,7 @@
   sysctl:
     sysctl_file: "{{ sysctl_file_path }}"
     name: net.ipv4.ip_forward
-    value: 1
+    value: "1"
     state: present
     reload: yes