diff --git a/google/resource_compute_backend_service_migrate.go b/google/resource_compute_backend_service_migrate.go
index 0dabbe3e..386c5cfd 100644
--- a/google/resource_compute_backend_service_migrate.go
+++ b/google/resource_compute_backend_service_migrate.go
@@ -99,8 +99,12 @@ func resourceGoogleComputeBackendServiceBackendHash(v interface{}) int {
 	var buf bytes.Buffer
 	m := v.(map[string]interface{})
 
-	group, _ := getRelativePath(m["group"].(string))
-	buf.WriteString(fmt.Sprintf("%s-", group))
+	if group, err := getRelativePath(m["group"].(string)); err != nil {
+		log.Printf("[WARN] Error on retrieving relative path of instance group: %s", err)
+		buf.WriteString(fmt.Sprintf("%s-", m["group"].(string)))
+	} else {
+		buf.WriteString(fmt.Sprintf("%s-", group))
+	}
 
 	if v, ok := m["balancing_mode"]; ok {
 		buf.WriteString(fmt.Sprintf("%s-", v.(string)))
diff --git a/google/resource_compute_region_backend_service.go b/google/resource_compute_region_backend_service.go
index a6001c4d..08034b68 100644
--- a/google/resource_compute_region_backend_service.go
+++ b/google/resource_compute_region_backend_service.go
@@ -331,7 +331,12 @@ func resourceGoogleComputeRegionBackendServiceBackendHash(v interface{}) int {
 	var buf bytes.Buffer
 	m := v.(map[string]interface{})
 
-	buf.WriteString(fmt.Sprintf("%s-", m["group"].(string)))
+	if group, err := getRelativePath(m["group"].(string)); err != nil {
+		log.Printf("[WARN] Error on retrieving relative path of instance group: %s", err)
+		buf.WriteString(fmt.Sprintf("%s-", m["group"].(string)))
+	} else {
+		buf.WriteString(fmt.Sprintf("%s-", group))
+	}
 
 	if v, ok := m["description"]; ok {
 		buf.WriteString(fmt.Sprintf("%s-", v.(string)))