diff --git a/script/nsfw-warning.ts b/script/nsfw-warning.ts
index fd1b369..8bcb319 100644
--- a/script/nsfw-warning.ts
+++ b/script/nsfw-warning.ts
@@ -1,7 +1,7 @@
 const nsfwOk = 'nsfw-ok';
 
 function alreadyYes() {
-  return localStorage.getItem(nsfwOk) !== undefined;
+  return localStorage.getItem(nsfwOk) == '1';
 }
 
 function dismiss() {