diff --git a/src/chat/chat_attachment.c b/src/chat/chat_attachment.c
index 3065dec5..6824eb5a 100644
--- a/src/chat/chat_attachment.c
+++ b/src/chat/chat_attachment.c
@@ -447,7 +447,7 @@ void chat_attachment_want(struct UTUN_INSTANCE* inst, const char* channel, const
 
 /* Автозагрузка обычного участника запрашивает доступ; storage-реплика хранит только ciphertext. */
 void chat_attachment_downloaded(struct UTUN_INSTANCE* inst, const char* channel, const uint8_t message[32]) {
-    char sql[256]; snprintf(sql, sizeof(sql), "UPDATE attachment_keys SET downloaded=1,wanted=max(wanted,"
+    char sql[384]; snprintf(sql, sizeof(sql), "UPDATE attachment_keys SET downloaded=1,wanted=max(wanted,"
         "NOT EXISTS(SELECT 1 FROM peers_%s WHERE node_id=? AND source=0 AND deleted=0 AND length(adm_tags_sig)=64"
         " AND json_extract(adm_tags,'$.storage')='yes')) WHERE channel=? AND message_id=?", channel);
     sqlite3_stmt* st = ak_prepare(inst, sql);