diff --git a/src/app/components/preferences/dynamips/add-ios-template/add-ios-template.component.ts b/src/app/components/preferences/dynamips/add-ios-template/add-ios-template.component.ts
index 54185ddd..b8e5ad27 100644
--- a/src/app/components/preferences/dynamips/add-ios-template/add-ios-template.component.ts
+++ b/src/app/components/preferences/dynamips/add-ios-template/add-ios-template.component.ts
@@ -200,6 +200,7 @@ export class AddIosTemplateComponent implements OnInit {
 
         if (this.platforms.includes(name.split('-')[0])) {
             this.iosNameForm.controls['platform'].setValue(name);
+            this.iosNameForm.controls['chassis'].setValue('');
             this.iosMemoryForm.controls['memory'].setValue(this.defaultRam[name]);
         }
     }