diff --git a/src/bundle/Resources/public/js/scripts/fieldType/base/base-preview-field.js b/src/bundle/Resources/public/js/scripts/fieldType/base/base-preview-field.js
index 71410d2865..23f94fd7e7 100644
--- a/src/bundle/Resources/public/js/scripts/fieldType/base/base-preview-field.js
+++ b/src/bundle/Resources/public/js/scripts/fieldType/base/base-preview-field.js
@@ -212,6 +212,7 @@
             this.inputField = clonedInput;
             this.inputField.addEventListener('change', this.handleInputChange, false);
             this.fieldContainer.querySelector('.ibexa-field-edit__option--remove-media').checked = true;
+            this.fieldContainer.querySelector('.ibexa-field-edit-preview__image-alt .ibexa-data-source__input').value = '';
 
             this.validator.reinit();
         }