diff --git a/ayanova/src/views/ops-backup.vue b/ayanova/src/views/ops-backup.vue
index a53f7733..0f38489f 100644
--- a/ayanova/src/views/ops-backup.vue
+++ b/ayanova/src/views/ops-backup.vue
@@ -39,7 +39,10 @@
               dense
               :readonly="formState.readOnly"
               :label="$ay.t('BackupSetsToKeep')"
-              :rules="[form().integerValid(this, 'backupSetsToKeep')]"
+              :rules="[
+                form().integerValid(this, 'backupSetsToKeep'),
+                form().minValueValid(this, 'backupSetsToKeep', 1)
+              ]"
               :error-messages="form().serverErrors(this, 'backupSetsToKeep')"
               type="number"
               @input="fieldValueChanged('backupSetsToKeep')"