diff --git a/src/app/pages/system/bootenv/bootenv-replace/bootenv-replace-form.component.ts b/src/app/pages/system/bootenv/bootenv-replace/bootenv-replace-form.component.ts
index 8a2902da3ca..bcf2dab7b23 100644
--- a/src/app/pages/system/bootenv/bootenv-replace/bootenv-replace-form.component.ts
+++ b/src/app/pages/system/bootenv/bootenv-replace/bootenv-replace-form.component.ts
@@ -52,7 +52,6 @@ export class BootEnvReplaceFormComponent {
     entityForm.submitFunction = this.submitFunction;
   }
   submitFunction(entityForm) {
-    const payload = this.pk.substring(5, this.pk.length);
-    return this.ws.call('boot.replace', [payload, entityForm.dev]);
+    return this.ws.call('boot.replace', [this.pk, entityForm.dev]);
   }
 }
diff --git a/src/app/pages/system/bootenv/bootenv-status/bootenv-status.component.ts b/src/app/pages/system/bootenv/bootenv-status/bootenv-status.component.ts
index 6a68fafa54d..a50349a6657 100644
--- a/src/app/pages/system/bootenv/bootenv-status/bootenv-status.component.ts
+++ b/src/app/pages/system/bootenv/bootenv-status/bootenv-status.component.ts
@@ -75,7 +75,6 @@ export class BootStatusListComponent implements OnInit {
   }
 
   detach(disk: any) {
-    disk = disk.substring(5, disk.length);
     this.loader.open();
     this.busy = this.ws.call('boot.detach', [disk]).subscribe(
       (res) => {