diff --git a/evolinux-base/tasks/kernel.yml b/evolinux-base/tasks/kernel.yml
index 76965f47..b49968f1 100644
--- a/evolinux-base/tasks/kernel.yml
+++ b/evolinux-base/tasks/kernel.yml
@@ -26,7 +26,7 @@
 - name: Disable net.ipv4.tcp_timestamps
   sysctl:
     name: net.ipv4.tcp_timestamps
-    value: 0
+    value: '0'
     sysctl_file: "{{ evolinux_kernel_sysctl_path }}"
     state: present
     reload: yes