diff --git a/terraform/modules/k8s-cluster/templates/cloud-init-k8s-manager.tftpl b/terraform/modules/k8s-cluster/templates/cloud-init-k8s-manager.tftpl
index a359552..da1c70b 100644
--- a/terraform/modules/k8s-cluster/templates/cloud-init-k8s-manager.tftpl
+++ b/terraform/modules/k8s-cluster/templates/cloud-init-k8s-manager.tftpl
@@ -40,6 +40,11 @@ write_files:
     path: /run/tmpfiles.d/ssh-setup.sh
     encoding: base64
     defer: true
+  - owner: root:root
+    content: "${sysctl_setup}"
+    path: /run/tmpfiles.d/sysctl-setup.sh
+    encoding: base64
+    defer: true
   - owner: root:root
     content: "${microk8s_setup}"
     path: /run/tmpfiles.d/microk8s-setup.sh