diff --git a/spa/plugins/audioconvert/audioadapter.c b/spa/plugins/audioconvert/audioadapter.c
index 06a2f38ce..9ddd4e031 100644
--- a/spa/plugins/audioconvert/audioadapter.c
+++ b/spa/plugins/audioconvert/audioadapter.c
@@ -1096,6 +1096,10 @@ static void follower_port_info(void *data,
 				spa_log_debug(this->log, "latency: %d (%s)", res,
 						spa_strerror(res));
 			}
+			if (idx == IDX_EnumFormat) {
+				this->have_format = false;
+				spa_log_debug(this->log, "new formats");
+			}
 
 			this->info.change_mask |= SPA_NODE_CHANGE_MASK_PARAMS;
 			if (!this->add_listener) {
diff --git a/spa/plugins/audioconvert/audioconvert.c b/spa/plugins/audioconvert/audioconvert.c
index ba2ea4178..2e18dbfa9 100644
--- a/spa/plugins/audioconvert/audioconvert.c
+++ b/spa/plugins/audioconvert/audioconvert.c
@@ -1646,7 +1646,6 @@ static int port_enum_formats(void *object,
 			     struct spa_pod_builder *builder)
 {
 	struct impl *this = object;
-	struct port *port = GET_PORT(this, direction, port_id);
 
 	switch (index) {
 	case 0:
@@ -1660,11 +1659,7 @@ static int port_enum_formats(void *object,
 				SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat,
 				SPA_FORMAT_mediaType,      SPA_POD_Id(SPA_MEDIA_TYPE_application),
 				SPA_FORMAT_mediaSubtype,   SPA_POD_Id(SPA_MEDIA_SUBTYPE_control));
-		} else if (port->have_format) {
-			*param = spa_format_audio_raw_build(builder,
-				SPA_PARAM_EnumFormat, &this->dir[direction].format.info.raw);
-		}
-		else {
+		} else {
 			uint32_t rate = this->io_position ?
 				this->io_position->clock.rate.denom : DEFAULT_RATE;