diff --git a/frontend/src/business/components/api/test/components/ApiKeyValue.vue b/frontend/src/business/components/api/test/components/ApiKeyValue.vue
index 595dd58185..4767c331d7 100644
--- a/frontend/src/business/components/api/test/components/ApiKeyValue.vue
+++ b/frontend/src/business/components/api/test/components/ApiKeyValue.vue
@@ -183,6 +183,7 @@ export default {
       this.currentItem = item;
       this.itemValueVisible = true;
       this.itemValue = item.value;
+      this.itemValuePreview = null;
     },
     saveAdvanced() {
       this.currentItem.value = this.itemValue;