diff --git a/src/ssb.rpc.c b/src/ssb.rpc.c
index 44c29e50..bc24db18 100644
--- a/src/ssb.rpc.c
+++ b/src/ssb.rpc.c
@@ -1279,7 +1279,8 @@ static void _tf_ssb_rpc_delete_blobs_work(uv_work_t* work)
 		"  SELECT blobs.id FROM blobs "
 		"  JOIN messages_refs ON blobs.id = messages_refs.ref "
 		"  JOIN messages ON messages.id = messages_refs.message "
-		"  GROUP BY blobs.id HAVING MAX(messages.timestamp) < ? LIMIT ?)", -1, &statement, NULL) == SQLITE_OK)
+		"  WHERE blobs.created < ?1 / 1000 "
+		"  GROUP BY blobs.id HAVING MAX(messages.timestamp) < ?1 LIMIT ?2)", -1, &statement, NULL) == SQLITE_OK)
 	{
 		if (sqlite3_bind_int64(statement, 1, timestamp) == SQLITE_OK &&
 			sqlite3_bind_int(statement, 2, k_limit) == SQLITE_OK)