diff --git a/infrastructure/quick-deploy/aws/multi-stages/monitoring/locals.tf b/infrastructure/quick-deploy/aws/multi-stages/monitoring/locals.tf
index c493b698f..1bb8e5b47 100644
--- a/infrastructure/quick-deploy/aws/multi-stages/monitoring/locals.tf
+++ b/infrastructure/quick-deploy/aws/multi-stages/monitoring/locals.tf
@@ -94,4 +94,5 @@ locals {
   s3_enabled = tobool(try(var.monitoring.s3.enabled, false))
   s3_name    = try(var.monitoring.s3.name, "armonik-logs")
   s3_region  = try(var.monitoring.s3.region, "eu-west-3")
+  s3_prefix  = try(var.monitoring.s3.prefix, "main")
 }
diff --git a/infrastructure/quick-deploy/aws/multi-stages/monitoring/main.tf b/infrastructure/quick-deploy/aws/multi-stages/monitoring/main.tf
index a73dde6bb..003f58e63 100644
--- a/infrastructure/quick-deploy/aws/multi-stages/monitoring/main.tf
+++ b/infrastructure/quick-deploy/aws/multi-stages/monitoring/main.tf
@@ -150,7 +150,7 @@ module "fluent_bit" {
   s3 = (local.s3_enabled ? {
     name    = local.s3_name
     region  = local.s3_region
-    prefix  = var.monitoring.s3.prefix
+    prefix  = local.s3_prefix
     enabled = true
   } : {})
 }