diff --git a/nostrdb/src/nostrdb.c b/nostrdb/src/nostrdb.c
index 4654c445..bb11499b 100644
--- a/nostrdb/src/nostrdb.c
+++ b/nostrdb/src/nostrdb.c
@@ -2674,13 +2674,16 @@ void ndb_profile_record_builder_init(struct ndb_profile_record_builder *b)
 
 void ndb_profile_record_builder_free(struct ndb_profile_record_builder *b)
 {
-	if (b->builder)
+	if (b->builder) {
+		flatcc_builder_clear(b->builder);
 		free(b->builder);
+	}
 	if (b->flatbuf)
 		free(b->flatbuf);
 
 	b->builder = NULL;
 	b->flatbuf = NULL;
+
 }
 
 int ndb_process_profile_note(struct ndb_note *note,