diff --git a/terraform_shelly/variables.tf b/terraform_shelly/variables.tf
index 3fcc853..d0fdaad 100644
--- a/terraform_shelly/variables.tf
+++ b/terraform_shelly/variables.tf
@@ -71,5 +71,5 @@ variable "critical_humi_ref_temp" {
 variable "critical_humi_buffer" {
   type        = number
   description = "Safety buffer [%] subtracted from the critical relative humidity threshold"
-  default     = 15
+  default     = 5
 }