diff --git a/cloud/gcp/cloud-sql/common/README.md b/cloud/gcp/cloud-sql/common/README.md
index 8d8a1e1..e79dc3c 100644
--- a/cloud/gcp/cloud-sql/common/README.md
+++ b/cloud/gcp/cloud-sql/common/README.md
@@ -71,6 +71,7 @@ Creates DataDog monitors with the following checks:
 | failover\_unavailable\_time\_aggregator | Time aggreggator for the Failover Unavailable monitor | `string` | `"max"` | no |
 | failover\_unavailable\_timeframe | Timeframe for the Failover Unavailable monitor | `string` | `"last_10m"` | no |
 | filter\_tags | Tags used for filtering | `string` | `"*"` | no |
+| filter\_tags\_failover\_unavailable | Tags used for filtering specific to the failover unavailable monitor which is only useful for master instances | `string` | `""` | no |
 | memory\_utilization\_enabled | Flag to enable GCP Cloud SQL Memory Utilization monitor | `string` | `"true"` | no |
 | memory\_utilization\_extra\_tags | Extra tags for GCP Cloud SQL Memory Utilization monitor | `list(string)` | `[]` | no |
 | memory\_utilization\_forecast\_algorithm | Algorithm for the Memory Utilization Forecast monitor | `string` | `"linear"` | no |
diff --git a/cloud/gcp/cloud-sql/common/inputs.tf b/cloud/gcp/cloud-sql/common/inputs.tf
index 089a992..6063dce 100644
--- a/cloud/gcp/cloud-sql/common/inputs.tf
+++ b/cloud/gcp/cloud-sql/common/inputs.tf
@@ -11,6 +11,11 @@ variable "filter_tags" {
   default     = "*"
 }
 
+variable "filter_tags_failover_unavailable" {
+  description = "Tags used for filtering specific to the failover unavailable monitor which is only useful for master instances"
+  default     = ""
+}
+
 variable "message" {
   description = "Message sent when a monitor is triggered"
 }
diff --git a/cloud/gcp/cloud-sql/common/monitors-cloud-sql-common.tf b/cloud/gcp/cloud-sql/common/monitors-cloud-sql-common.tf
index c3686f0..0237f22 100644
--- a/cloud/gcp/cloud-sql/common/monitors-cloud-sql-common.tf
+++ b/cloud/gcp/cloud-sql/common/monitors-cloud-sql-common.tf
@@ -209,7 +209,7 @@ resource "datadog_monitor" "failover_unavailable" {
 
   query = <<EOQ
   ${var.failover_unavailable_time_aggregator}(${var.failover_unavailable_timeframe}):
-    avg:gcp.cloudsql.database.available_for_failover{${var.filter_tags}}
+    avg:gcp.cloudsql.database.available_for_failover{${join(", ", compact([var.filter_tags_failover_unavailable, var.filter_tags_failover_unavailable != "" && var.filter_tags == "*" ? "" : var.filter_tags]))}}
     by {database_id}
   <= ${var.failover_unavailable_threshold_critical}
 EOQ