diff --git a/modules/aws/node/templates/user-data.tftpl b/modules/aws/node/templates/user-data.tftpl
index 1af98de..25f1818 100644
--- a/modules/aws/node/templates/user-data.tftpl
+++ b/modules/aws/node/templates/user-data.tftpl
@@ -1,3 +1,18 @@
+MIME-Version: 1.0
+Content-Type: multipart/mixed; boundary="BOUNDARY"
+
+--BOUNDARY
+Content-Type: text/x-shellscript; charset="us-ascii"
+
+#!/bin/bash
+%{~ if xrd_bootstrap }
+HUGEPAGES_GB=${hugepages_gb} ISOLATED_CORES=${isolated_cores} /etc/xrd/bootstrap.sh
+%{~ endif }
+${additional_user_data}
+
+--BOUNDARY
+Content-Type: application/node.eks.aws
+
 ---
 apiVersion: node.eks.aws/v1alpha1
 kind: NodeConfig
@@ -13,4 +28,6 @@ spec:
     %{~ for flag in kubelet_flags }
     - ${flag}
     %{~ endfor }
-  %{~ endif }
\ No newline at end of file
+  %{~ endif }
+
+--BOUNDARY--
\ No newline at end of file