diff --git a/google/resource_compute_instance_group.go b/google/resource_compute_instance_group.go
index 0a7c4954..87dc93e1 100644
--- a/google/resource_compute_instance_group.go
+++ b/google/resource_compute_instance_group.go
@@ -186,14 +186,14 @@ func resourceComputeInstanceGroupRead(d *schema.ResourceData, meta interface{})
 		return err
 	}
 
-	// retreive instance group
+	// retrieve instance group
 	instanceGroup, err := config.clientCompute.InstanceGroups.Get(
 		project, d.Get("zone").(string), d.Id()).Do()
 	if err != nil {
 		return handleNotFoundError(err, d, fmt.Sprintf("Instance Group %q", d.Get("name").(string)))
 	}
 
-	// retreive instance group members
+	// retrieve instance group members
 	var memberUrls []string
 	members, err := config.clientCompute.InstanceGroups.ListInstances(
 		project, d.Get("zone").(string), d.Id(), &compute.InstanceGroupsListInstancesRequest{
@@ -215,6 +215,8 @@ func resourceComputeInstanceGroupRead(d *schema.ResourceData, meta interface{})
 		d.Set("instances", memberUrls)
 	}
 
+	d.Set("named_port", flattenNamedPorts(instanceGroup.NamedPorts))
+
 	// Set computed fields
 	d.Set("network", instanceGroup.Network)
 	d.Set("size", instanceGroup.Size)
@@ -230,12 +232,6 @@ func resourceComputeInstanceGroupUpdate(d *schema.ResourceData, meta interface{}
 		return err
 	}
 
-	// refresh the state incase referenced instances have been removed earlier in the run
-	err = resourceComputeInstanceGroupRead(d, meta)
-	if err != nil {
-		return fmt.Errorf("Error reading InstanceGroup: %s", err)
-	}
-
 	d.Partial(true)
 
 	if d.HasChange("instances") {
@@ -263,13 +259,17 @@ func resourceComputeInstanceGroupUpdate(d *schema.ResourceData, meta interface{}
 			removeOp, err := config.clientCompute.InstanceGroups.RemoveInstances(
 				project, d.Get("zone").(string), d.Id(), removeReq).Do()
 			if err != nil {
-				return fmt.Errorf("Error removing instances from InstanceGroup: %s", err)
-			}
-
-			// Wait for the operation to complete
-			err = computeOperationWaitZone(config, removeOp, project, d.Get("zone").(string), "Updating InstanceGroup")
-			if err != nil {
-				return err
+				if gerr, ok := err.(*googleapi.Error); ok && gerr.Code == 404 {
+					log.Printf("[WARN] Instances already removed from InstanceGroup: %s", remove)
+				} else {
+					return fmt.Errorf("Error removing instances from InstanceGroup: %s", err)
+				}
+			} else {
+				// Wait for the operation to complete
+				err = computeOperationWaitZone(config, removeOp, project, d.Get("zone").(string), "Updating InstanceGroup")
+				if err != nil {
+					return err
+				}
 			}
 		}
 
diff --git a/google/resource_compute_instance_group_test.go b/google/resource_compute_instance_group_test.go
index 50d956fc..8f1d9bf9 100644
--- a/google/resource_compute_instance_group_test.go
+++ b/google/resource_compute_instance_group_test.go
@@ -59,7 +59,7 @@ func TestAccComputeInstanceGroup_update(t *testing.T) {
 					testAccComputeInstanceGroup_exists(
 						"google_compute_instance_group.update", &instanceGroup),
 					testAccComputeInstanceGroup_updated(
-						"google_compute_instance_group.update", 3, &instanceGroup),
+						"google_compute_instance_group.update", 1, &instanceGroup),
 					testAccComputeInstanceGroup_named_ports(
 						"google_compute_instance_group.update",
 						map[string]int64{"http": 8081, "test": 8444},
@@ -319,7 +319,7 @@ func testAccComputeInstanceGroup_update(instance string) string {
 		machine_type = "n1-standard-1"
 		can_ip_forward = false
 		zone = "us-central1-c"
-		count = 1
+		count = 2
 
 		disk {
 			image = "debian-8-jessie-v20160803"
@@ -334,7 +334,7 @@ func testAccComputeInstanceGroup_update(instance string) string {
 		description = "Terraform test instance group"
 		name = "%s"
 		zone = "us-central1-c"
-		instances = [ "${google_compute_instance.ig_instance.self_link}" ]
+		instances = [ "${google_compute_instance.ig_instance.*.self_link}" ]
 		named_port {
 			name = "http"
 			port = "8080"
@@ -354,7 +354,7 @@ func testAccComputeInstanceGroup_update2(instance string) string {
 		machine_type = "n1-standard-1"
 		can_ip_forward = false
 		zone = "us-central1-c"
-		count = 3
+		count = 1
 
 		disk {
 			image = "debian-8-jessie-v20160803"