diff --git a/selectel/iam.go b/selectel/iam.go
index b0a19164..0cf3bfa3 100644
--- a/selectel/iam.go
+++ b/selectel/iam.go
@@ -24,11 +24,15 @@ func getIAMClient(meta interface{}) (*iam.Client, diag.Diagnostics) {
 	if err != nil {
 		return nil, diag.FromErr(fmt.Errorf("can't get selvpc client for iam: %w", err))
 	}
+
+	if config.AuthRegion == "" {
+		config.AuthRegion = "ru-1"
+	}
+
 	apiURL, err := getEndpointForIAM(selvpcClient, config.AuthRegion)
 	if err != nil {
 		return nil, diag.FromErr(err)
 	}
-
 	iamClient, err := iam.New(
 		iam.WithAuthOpts(&iam.AuthOpts{
 			KeystoneToken: selvpcClient.GetXAuthToken(),