diff --git a/components/lib/listbox/BaseListbox.vue b/components/lib/listbox/BaseListbox.vue
index 4cf0f4ffd..0b0155209 100644
--- a/components/lib/listbox/BaseListbox.vue
+++ b/components/lib/listbox/BaseListbox.vue
@@ -14,10 +14,19 @@ export default {
         optionGroupLabel: null,
         optionGroupChildren: null,
         listStyle: null,
-        disabled: Boolean,
+        disabled: {
+            type: Boolean,
+            default: false
+        },
         dataKey: null,
-        multiple: Boolean,
-        metaKeySelection: Boolean,
+        multiple: {
+            type: Boolean,
+            default: false
+        },
+        metaKeySelection: {
+            type: Boolean,
+            default: true
+        },
         filter: Boolean,
         filterPlaceholder: String,
         filterLocale: String,