diff --git a/lib/l10n/app_ja.arb b/lib/l10n/app_ja.arb
index e3b840f4..11eb2a06 100644
--- a/lib/l10n/app_ja.arb
+++ b/lib/l10n/app_ja.arb
@@ -17,7 +17,7 @@
 
     "@_lint_rules": {
         "p_ending_chars": "。！",
-        "q_ending_chars": "?",
+        "q_ending_chars": "?？",
         "s_max_words": 4,
         "s_max_length": 32
     },