diff --git a/modules/aws-eks-managed-node-groups/templates/userdata-amazonlinux2eks.tpl b/modules/aws-eks-managed-node-groups/templates/userdata-amazonlinux2eks.tpl
index 964ff429b7..b8f31891f1 100644
--- a/modules/aws-eks-managed-node-groups/templates/userdata-amazonlinux2eks.tpl
+++ b/modules/aws-eks-managed-node-groups/templates/userdata-amazonlinux2eks.tpl
@@ -29,7 +29,7 @@ mount -a
 %{ if length(service_ipv4_cidr) > 0 ~}
 export SERVICE_IPV4_CIDR=${service_ipv4_cidr}
 %{ endif ~}
-%{ if length(service_ipv4_cidr) > 0 ~}
+%{ if length(service_ipv6_cidr) > 0 ~}
 export SERVICE_IPV6_CIDR=${service_ipv6_cidr}
 %{ endif ~}
 %{ if length(custom_ami_id) > 0 ~}