diff --git a/tags/variables.tf b/tags/variables.tf
index b379b90..80d6a79 100644
--- a/tags/variables.tf
+++ b/tags/variables.tf
@@ -20,9 +20,10 @@ variable "finops" {
     name   = string
     role   = optional(string)
   })
+  default = {}
 
   validation {
-    condition     = var.finops.number > 0 && var.finops.number < 10000000000
+    condition     = length(var.finops)>0 && var.finops.number > 0 && var.finops.number < 10000000000
     error_message = "Invalid finops.number, must be between 0 and 10,000,000,000."
   }
 }