diff --git a/terraform/main.tf b/terraform/main.tf
index 560ce8e..cdb9e06 100644
--- a/terraform/main.tf
+++ b/terraform/main.tf
@@ -3,7 +3,7 @@ data "ignition_file" "ssh_key_agent" {
   path       = "/opt/bin/ssh-key-agent"
 
   source {
-    source = "https://github.com/utilitywarehouse/ssh-key-agent/releases/download/${var.agent_version}/ssh-key-agent_${local.vless_agent_version}_linux_amd64"
+    source = "https://github.com/utilitywarehouse/ssh-key-agent/releases/download/${var.agent_version}/ssh-key-agent_${local.vless_agent_version}_linux_${var.arch}"
   }
 }
 
@@ -24,7 +24,7 @@ data "ignition_systemd_unit" "ssh_key_agent_download" {
   enabled = var.enabled
   content = templatefile("${path.module}/resources/ssh-key-agent-download.service",
     {
-      source = "https://github.com/utilitywarehouse/ssh-key-agent/releases/download/${var.agent_version}/ssh-key-agent_${local.vless_agent_version}_linux_amd64"
+      source = "https://github.com/utilitywarehouse/ssh-key-agent/releases/download/${var.agent_version}/ssh-key-agent_${local.vless_agent_version}_linux_${var.arch}"
     }
   )
 }
diff --git a/terraform/variables.tf b/terraform/variables.tf
index edac0cf..6fa151c 100644
--- a/terraform/variables.tf
+++ b/terraform/variables.tf
@@ -1,3 +1,13 @@
+variable "arch" {
+  type        = string
+  description = "The ssh-key-agent binary arch to fecth if not running in docker"
+  default     = "amd64"
+  validation {
+    condition     = contains(["amd64", "arm64"], var.arch)
+    error_message = "Arch should be one of: amd64, arm64"
+  }
+}
+
 variable "uri" {
   type        = string
   description = "The S3 URI of the authmap file"