diff --git a/modules/vpc/variables.tf b/modules/vpc/variables.tf
index 243ff44..72381ee 100644
--- a/modules/vpc/variables.tf
+++ b/modules/vpc/variables.tf
@@ -66,11 +66,11 @@ variable "subnetworks" {
   }))
   validation {
     condition = alltrue([
-      for subnet in var.subnetworks : 
-        subnet.log_config != null ? (
-          (subnet.log_config.aggregation_interval != null && can(regex("^INTERVAL_(5_SEC|30_SEC|1_MIN|5_MIN|10_MIN|15_MIN)$", subnet.log_config.aggregation_interval)) ? true : false) &&
-          (subnet.log_config.metadata != null && can(regex("^(EXCLUDE_ALL_METADATA|INCLUDE_ALL_METADATA|CUSTOM_METADATA)$", subnet.log_config.metadata)) ? true : false)
-        ) : true
+      for subnet in var.subnetworks :
+      subnet.log_config != null ? (
+        (subnet.log_config.aggregation_interval != null && can(regex("^INTERVAL_(5_SEC|30_SEC|1_MIN|5_MIN|10_MIN|15_MIN)$", subnet.log_config.aggregation_interval)) ? true : false) &&
+        (subnet.log_config.metadata != null && can(regex("^(EXCLUDE_ALL_METADATA|INCLUDE_ALL_METADATA|CUSTOM_METADATA)$", subnet.log_config.metadata)) ? true : false)
+      ) : true
     ])
     error_message = "If log_config is specified, aggregation_interval must be one of INTERVAL_5_SEC, INTERVAL_30_SEC, INTERVAL_1_MIN, INTERVAL_5_MIN, INTERVAL_10_MIN, INTERVAL_15_MIN, and metadata must be one of EXCLUDE_ALL_METADATA, INCLUDE_ALL_METADATA, or CUSTOM_METADATA."
   }