diff --git a/mmv1/third_party/terraform/services/container/resource_container_cluster.go.erb b/mmv1/third_party/terraform/services/container/resource_container_cluster.go.erb
index 61f20c52526b..c5ffb5b0350f 100644
--- a/mmv1/third_party/terraform/services/container/resource_container_cluster.go.erb
+++ b/mmv1/third_party/terraform/services/container/resource_container_cluster.go.erb
@@ -3955,7 +3955,7 @@ func resourceContainerClusterUpdate(d *schema.ResourceData, meta interface{}) er
 		if v, ok := d.GetOk("fleet"); !ok {
 			req.Update = &container.ClusterUpdate{
 				DesiredFleet: &container.Fleet{
-					Fleet: "",
+					Project: "",
 				},
 			}
 		} else {