diff --git a/cloud/azure/iothubs/inputs.tf b/cloud/azure/iothubs/inputs.tf
index 4c813a8..71bea7c 100644
--- a/cloud/azure/iothubs/inputs.tf
+++ b/cloud/azure/iothubs/inputs.tf
@@ -567,5 +567,5 @@ variable "invalid_d2c_telemetry_egress_rate_threshold_critical" {
 
 variable "too_many_d2c_telemetry_ingress_nosent_threshold_critical" {
   description = "D2C Telemetry ingress not sent limit (critical threshold)"
-  default     = 0.3
+  default     = 1
 }
diff --git a/cloud/azure/iothubs/monitors-iothubs.tf b/cloud/azure/iothubs/monitors-iothubs.tf
index 2dcb1a0..f5bfcaa 100644
--- a/cloud/azure/iothubs/monitors-iothubs.tf
+++ b/cloud/azure/iothubs/monitors-iothubs.tf
@@ -479,9 +479,9 @@ resource "datadog_monitor" "too_many_d2c_telemetry_ingress_nosent" {
   query = <<EOQ
     avg(${var.too_many_d2c_telemetry_ingress_nosent_timeframe}):
     default(
-      avg:azure.devices_iothubs.d2c.telemetry.ingress.all_protocol${module.filter-tags.query_alert} by {resource_group,region,name}.as_rate() -
-      avg:azure.devices_iothubs.d2c.telemetry.ingress.success${module.filter-tags.query_alert} by {resource_group,region,name}.as_rate()
-    , 0) > ${var.too_many_d2c_telemetry_ingress_nosent_threshold_critical}
+      100-(default(avg:zure.devices_iothubs.d2c.telemetry.ingress.success${module.filter-tags.query_alert} by {resource_group,region,name}.as_rate(),0) /
+      default(avg:azure.devices_iothubs.d2c.telemetry.ingress.all_protocol${module.filter-tags.query_alert} by {resource_group,region,name}.as_rate(),0)
+      * 100),0) > ${var.too_many_d2c_telemetry_ingress_nosent_threshold_critical}
 EOQ
 
   evaluation_delay    = var.evaluation_delay