diff --git a/ohpc-instance/main.tf b/ohpc-instance/main.tf
index 71a9b011e5c72aa7c0085132fa5295fce970381f..427a9ed6c0cae75157769ed8e1b3bf5a64dba7d0 100644
--- a/ohpc-instance/main.tf
+++ b/ohpc-instance/main.tf
@@ -25,7 +25,6 @@ variable "external_network" {}
 # is created in floating-ip module and called in root module
 variable "floating_ip_ohpc" {type = string}
 
-variable "host_prefix" {}
 variable "ohpc_user" {}
 variable "ssh_private_key" {}
 
@@ -76,5 +75,5 @@ output "id" {
 }
 
 output "ssh_host" {
-    value = format(var.host_prefix,element(split(".", var.floating_ip_ohpc),3,),)
+    value = var.floating_ip_ohpc
 }