1 files changed, 2 insertions, 1 deletions
diff --git a/src/trie.h b/src/trie.h
index 19bd81d..fa10670 100644
--- a/src/trie.h
+++ b/src/trie.h
@@ -21,7 +21,8 @@ struct trie_leaf {
 	/** The length of the key in bytes. */
 	size_t length;
 	/** The key itself, stored inline. */
-	char key[] _counted_by(length);
+	[[_counted_by(length)]]
+	char key[];
 };
 
 /**