diff --git a/spa/plugins/audioconvert/audioadapter.c b/spa/plugins/audioconvert/audioadapter.c
index 3d31e9ac7..9c93a56b9 100644
--- a/spa/plugins/audioconvert/audioadapter.c
+++ b/spa/plugins/audioconvert/audioadapter.c
@@ -1040,6 +1040,9 @@ static void follower_convert_port_info(void *data,
 	uint32_t i;
 	int res;
 
+	if (info == NULL)
+		return;
+
 	spa_log_debug(this->log, "%p: convert port info %s %p %08"PRIx64, this,
 			this->direction == SPA_DIRECTION_INPUT ?
 				"Input" : "Output", info, info->change_mask);
@@ -1217,6 +1220,9 @@ static void follower_port_info(void *data,
 	uint32_t i;
 	int res;
 
+	if (info == NULL)
+		return;
+
 	if (this->follower_removing) {
 	      spa_node_emit_port_info(&this->hooks, direction, port_id, NULL);
 	      return;