diff --git a/pkg/harvester/dialog/EnableSriovDevice.vue b/pkg/harvester/dialog/EnableSriovDevice.vue
index b0c47ab56de..1e665f06cd4 100644
--- a/pkg/harvester/dialog/EnableSriovDevice.vue
+++ b/pkg/harvester/dialog/EnableSriovDevice.vue
@@ -39,6 +39,12 @@ export default {
 
       try {
         this.resources[0].spec.numVFs = this.numVFs;
+        if (this.resources[0].spec.numVFs <= 0) {
+          this.resources[0].spec.numVFs = 0;
+          this.numVFs = 0;
+          this.close();
+          return;
+        }
         await actionResource.save();
         buttonCb(true);
         this.close();