diff --git a/daemon/bencode.h b/daemon/bencode.h
index 1a1ff771f..296ff41f8 100644
--- a/daemon/bencode.h
+++ b/daemon/bencode.h
@@ -106,8 +106,10 @@ static inline bencode_item_t *bencode_dictionary_add(bencode_item_t *dict, const
 /* Identical to bencode_dictionary_add() but doesn't require the key string to be null-terminated */
 bencode_item_t *bencode_dictionary_add_len(bencode_item_t *dict, const char *key, int keylen, bencode_item_t *val);
 
-/* Convenience function to add a string value to a dictionary */
+/* Convenience function to add a string value to a dictionary, possibly duplicated into the
+ * bencode_buffer_t object. */
 static inline bencode_item_t *bencode_dictionary_add_string(bencode_item_t *dict, const char *key, const char *val);
+static inline bencode_item_t *bencode_dictionary_add_string_dup(bencode_item_t *dict, const char *key, const char *val);
 
 /* Ditto, but for a "str" object */
 static inline bencode_item_t *bencode_dictionary_add_str(bencode_item_t *dict, const char *key, const str *val);
@@ -117,8 +119,10 @@ static inline bencode_item_t *bencode_dictionary_add_str(bencode_item_t *dict, c
 static inline bencode_item_t *bencode_dictionary_add_iovec(bencode_item_t *dict, const char *key,
 	const struct iovec *iov, int iov_cnt, int str_len);
 
-/* Convenience function to add an integer value to a dictionary */
+/* Convenience functions to add the respective (newly created) objects to a dictionary */
 static inline bencode_item_t *bencode_dictionary_add_integer(bencode_item_t *dict, const char *key, long long int val);
+static inline bencode_item_t *bencode_dictionary_add_dictionary(bencode_item_t *dict, const char *key);
+static inline bencode_item_t *bencode_dictionary_add_list(bencode_item_t *dict, const char *key);
 
 
 
@@ -130,8 +134,10 @@ static inline bencode_item_t *bencode_dictionary_add_integer(bencode_item_t *dic
  * The item to be added must not have been previously linked into any other dictionary or list. */
 bencode_item_t *bencode_list_add(bencode_item_t *list, bencode_item_t *item);
 
-/* Convenience function to add a string item to a list */
+/* Convenience function to add the respective (newly created) objects to a list */
 static inline bencode_item_t *bencode_list_add_string(bencode_item_t *list, const char *s);
+static inline bencode_item_t *bencode_list_add_list(bencode_item_t *list);
+static inline bencode_item_t *bencode_list_add_dictionary(bencode_item_t *list);
 
 
 
@@ -361,6 +367,12 @@ static inline bencode_item_t *bencode_dictionary_add_string(bencode_item_t *dict
 	return bencode_dictionary_add(dict, key, bencode_string(dict->buffer, val));
 }
 
+static inline bencode_item_t *bencode_dictionary_add_string_dup(bencode_item_t *dict, const char *key, const char *val) {
+	if (!val)
+		return NULL;
+	return bencode_dictionary_add(dict, key, bencode_string_dup(dict->buffer, val));
+}
+
 static inline bencode_item_t *bencode_dictionary_add_str(bencode_item_t *dict, const char *key, const str *val) {
 	if (!val)
 		return NULL;
@@ -371,10 +383,26 @@ static inline bencode_item_t *bencode_dictionary_add_integer(bencode_item_t *dic
 	return bencode_dictionary_add(dict, key, bencode_integer(dict->buffer, val));
 }
 
+static inline bencode_item_t *bencode_dictionary_add_dictionary(bencode_item_t *dict, const char *key) {
+	return bencode_dictionary_add(dict, key, bencode_dictionary(dict->buffer));
+}
+
+static inline bencode_item_t *bencode_dictionary_add_list(bencode_item_t *dict, const char *key) {
+	return bencode_dictionary_add(dict, key, bencode_list(dict->buffer));
+}
+
 static inline bencode_item_t *bencode_list_add_string(bencode_item_t *list, const char *s) {
 	return bencode_list_add(list, bencode_string(list->buffer, s));
 }
 
+static inline bencode_item_t *bencode_list_add_list(bencode_item_t *list) {
+	return bencode_list_add(list, bencode_list(list->buffer));
+}
+
+static inline bencode_item_t *bencode_list_add_dictionary(bencode_item_t *list) {
+	return bencode_list_add(list, bencode_dictionary(list->buffer));
+}
+
 static inline bencode_item_t *bencode_dictionary_get(bencode_item_t *dict, const char *key) {
 	if (!key)
 		return NULL;
diff --git a/daemon/call.c b/daemon/call.c
index 617210b62..387160683 100644
--- a/daemon/call.c
+++ b/daemon/call.c
@@ -2328,7 +2328,7 @@ static bencode_item_t *peer_address(bencode_buffer_t *b, struct stream *s) {
 		bencode_dictionary_add_string(d, "family", "IPv6");
 		inet_ntop(AF_INET6, &s->ip46, buf, sizeof(buf));
 	}
-	bencode_dictionary_add(d, "address", bencode_string_dup(b, buf));
+	bencode_dictionary_add_string_dup(d, "address", buf);
 	bencode_dictionary_add_integer(d, "port", s->port);
 
 	return d;
@@ -2339,7 +2339,7 @@ static bencode_item_t *streamrelay_stats(bencode_buffer_t *b, struct streamrelay
 
 	d = bencode_dictionary(b);
 
-	s = bencode_dictionary_add(d, "stats", bencode_dictionary(b));
+	s = bencode_dictionary_add_dictionary(d, "stats");
 	bencode_dictionary_add_integer(s, "packets", r->stats.packets);
 	bencode_dictionary_add_integer(s, "bytes", r->stats.bytes);
 	bencode_dictionary_add_integer(s, "errors", r->stats.errors);
@@ -2369,7 +2369,7 @@ static bencode_item_t *peer_stats(bencode_buffer_t *b, struct peer *p) {
 	else
 		bencode_dictionary_add_string(d, "status", "unknown peer address");
 
-	s = bencode_dictionary_add(d, "stats", bencode_dictionary(b));
+	s = bencode_dictionary_add_dictionary(d, "stats");
 	bencode_dictionary_add(s, "rtp", streamrelay_stats(b, &p->rtps[0]));
 	bencode_dictionary_add(s, "rtcp", streamrelay_stats(b, &p->rtps[1]));
 
@@ -2396,7 +2396,7 @@ const char *call_query_ng(bencode_item_t *input, struct callmaster *m, bencode_i
 
 	bencode_dictionary_add_string(output, "result", "ok");
 	bencode_dictionary_add_integer(output, "created", call->created);
-	streams = bencode_dictionary_add(output, "streams", bencode_list(output->buffer));
+	streams = bencode_dictionary_add_list(output, "streams");
 
 	for (l = call->callstreams->head; l; l = l->next) {
 		cs = l->data;
@@ -2418,7 +2418,7 @@ const char *call_query_ng(bencode_item_t *input, struct callmaster *m, bencode_i
 				continue;
 
 tag_match:
-			stream = bencode_list_add(streams, bencode_list(output->buffer));
+			stream = bencode_list_add_list(streams);
 			bencode_list_add(stream, peer_stats(output->buffer, p));
 			bencode_list_add(stream, peer_stats(output->buffer, px));