diff --git a/stackit/internal/services/sqlserverflexalpha/testdata/instance_template.gompl b/stackit/internal/services/sqlserverflexalpha/testdata/instance_template.gompl
index 9e7a994e..4761e491 100644
--- a/stackit/internal/services/sqlserverflexalpha/testdata/instance_template.gompl
+++ b/stackit/internal/services/sqlserverflexalpha/testdata/instance_template.gompl
@@ -32,7 +32,7 @@ resource "stackitprivatepreview_sqlserverflexalpha_instance" "{{ .TfName }}" {
 {{ $tfName := .TfName }}
 {{ range $user := .Users }}
 resource "stackitprivatepreview_sqlserverflexalpha_user" "{{ $user.Name }}" {
-  project_id  = "{{ $user.ProjectId }}"
+  project_id  = "{{ $user.ProjectID }}"
   instance_id = stackitprivatepreview_sqlserverflexalpha_instance.{{ $tfName }}.instance_id
   username    = "{{ $user.Name }}"
   roles       = [{{ range $i, $v := $user.Roles }}{{if $i}},{{end}}"{{$v}}"{{end}}]