diff --git a/terraform/transform_resource.go b/terraform/transform_resource.go
index 1178cab6d..9d1d6708d 100644
--- a/terraform/transform_resource.go
+++ b/terraform/transform_resource.go
@@ -61,7 +61,7 @@ func (n *graphNodeExpandedResource) Name() string {
 func (n *graphNodeExpandedResource) DependableName() []string {
 	return []string{
 		n.Resource.Id(),
-		fmt.Sprintf("%s.%d", n.Resource.Id(), n.Index),
+		n.stateId(),
 	}
 }
 
@@ -98,3 +98,8 @@ func (n *graphNodeExpandedResource) EvalTree() EvalNode {
 
 	return seq
 }
+
+// stateId is the name used for the state key
+func (n *graphNodeExpandedResource) stateId() string {
+	return fmt.Sprintf("%s.%d", n.Resource.Id(), n.Index)
+}