diff --git a/examples/kyma-on-btp-new-sa/variables.tf b/examples/kyma-on-btp-new-sa/variables.tf
index dcd4f1f..a36bc19 100644
--- a/examples/kyma-on-btp-new-sa/variables.tf
+++ b/examples/kyma-on-btp-new-sa/variables.tf
@@ -80,4 +80,5 @@ variable "BTP_KYMA_MODULES" {
 
 variable "BTP_KYMA_CUSTOM_ADMINISTRATORS" {
   type = list(string)
+  default = []
 }
diff --git a/examples/kyma-on-btp-reuse-sa/variables.tf b/examples/kyma-on-btp-reuse-sa/variables.tf
index 53aa3bb..dc51fa6 100644
--- a/examples/kyma-on-btp-reuse-sa/variables.tf
+++ b/examples/kyma-on-btp-reuse-sa/variables.tf
@@ -57,4 +57,5 @@ variable "BTP_KYMA_REGION" {
 
 variable "BTP_KYMA_CUSTOM_ADMINISTRATORS" {
   type = list(string)
+  default = []
 }
diff --git a/examples/kyma-on-btp-with-custom-oidc/variables.tf b/examples/kyma-on-btp-with-custom-oidc/variables.tf
index a706cfb..b6306c9 100644
--- a/examples/kyma-on-btp-with-custom-oidc/variables.tf
+++ b/examples/kyma-on-btp-with-custom-oidc/variables.tf
@@ -52,6 +52,7 @@ variable "BTP_CUSTOM_IAS_DOMAIN" {
 
 variable "BTP_KYMA_CUSTOM_ADMINISTRATORS" {
   type = list(string)
+  default = []
 }
 
 variable "BTP_KYMA_REGION" {