diff --git a/src/app/components/project-map/context-menu/actions/export-config/export-config-action.component.ts b/src/app/components/project-map/context-menu/actions/export-config/export-config-action.component.ts
index c3fc4945..204a6ee1 100644
--- a/src/app/components/project-map/context-menu/actions/export-config/export-config-action.component.ts
+++ b/src/app/components/project-map/context-menu/actions/export-config/export-config-action.component.ts
@@ -25,7 +25,11 @@ export class ExportConfigActionComponent {
         const element = document.createElement('a');
         const fileType = 'text/plain';
         element.setAttribute('href', `data:${fileType};charset=utf-8,${encodeURIComponent(config)}`);
-        element.setAttribute('download', `${this.node.name}_startup.vpc`);
+        if (this.node.node_type === 'vpcs') {
+            element.setAttribute('download', `${this.node.name}_startup.vpc`);
+        } else if (this.node.node_type === 'iou' || this.node.node_type === 'dynamips') {
+            element.setAttribute('download', `${this.node.name}_startup.cfg`);
+        }
 
         var event = new MouseEvent("click");
         element.dispatchEvent(event);