diff --git a/src/components/app/t-overlay.vue b/src/components/app/t-overlay.vue
index 2d64aeb0..e575ccf9 100644
--- a/src/components/app/t-overlay.vue
+++ b/src/components/app/t-overlay.vue
@@ -46,7 +46,7 @@ watch(
 );
 
 function toClick(): void {
-  if (!props.outerClose) return;
+  if (props.outerClose !== undefined && props.outerClose) return;
   model.value = false;
 }
 </script>