diff --git a/spa/plugins/videoconvert/videoadapter.c b/spa/plugins/videoconvert/videoadapter.c
index d6c6c77c5..0f13230c5 100644
--- a/spa/plugins/videoconvert/videoadapter.c
+++ b/spa/plugins/videoconvert/videoadapter.c
@@ -131,8 +131,33 @@ static int follower_enum_params(struct impl *this,
 	return 0;
 }
 
-static int convert_enum_port_config(struct impl *this,
-		int seq, uint32_t id, uint32_t start, uint32_t num,
+static void replace_mode(struct spa_pod *filter, enum spa_param_port_config_mode tmode, enum spa_param_port_config_mode rmode)
+{
+	const struct spa_pod_prop *prop;
+	if ((prop = spa_pod_find_prop(filter, NULL, SPA_PARAM_PORT_CONFIG_mode)) != NULL) {
+		switch (SPA_POD_TYPE(&prop->value)) {
+			case SPA_TYPE_Choice:;
+				enum spa_param_port_config_mode *modes = SPA_POD_CHOICE_VALUES((struct spa_pod_choice *)&prop->value);
+				for (uint32_t i = 0; i < SPA_POD_CHOICE_N_VALUES((struct spa_pod_choice *)&prop->value); i++) {
+					if (modes[i] == tmode)
+						modes[i] = rmode;
+				}
+				break;
+			case SPA_TYPE_Id:;
+				struct spa_pod_id *p = (struct spa_pod_id*)&prop->value;
+				if (p->value == tmode)
+					p->value = rmode;
+				break;
+			default:
+				break;
+
+		}
+
+	}
+}
+
+static int adapter_enum_port_config(struct impl *this,
+		uint32_t id, struct spa_result_node_params *result,
 		const struct spa_pod *filter, struct spa_pod_builder *builder)
 {
 	struct spa_pod *f1, *f2 = NULL;
@@ -149,9 +174,38 @@ static int convert_enum_port_config(struct impl *this,
 	else {
 		f2 = f1;
 	}
-	return spa_node_enum_params(this->convert, seq, id, start, num, f2);
+
+	res = spa_node_enum_params_sync(this->convert,
+		id, &result->next, f2, &result->param, builder);
+ 	spa_log_info(this->log, "convert_enum_port_config");
+ 	spa_debug_log_pod(this->log, SPA_LOG_LEVEL_INFO, 2, NULL, result->param);
+	replace_mode(result->param, SPA_PARAM_PORT_CONFIG_MODE_none, SPA_PARAM_PORT_CONFIG_MODE_passthrough);
+ 	spa_debug_log_pod(this->log, SPA_LOG_LEVEL_INFO, 2, NULL, result->param);
+	return res;
 }
 
+// static int convert_enum_port_config(struct impl *this,
+// 		int seq, uint32_t id, uint32_t start, uint32_t num,
+// 		const struct spa_pod *filter, struct spa_pod_builder *builder)
+// {
+// 	struct spa_pod *f1, *f2 = NULL;
+// 	int res;
+//
+// 	f1 = spa_pod_builder_add_object(builder,
+// 		SPA_TYPE_OBJECT_ParamPortConfig, id,
+// 			SPA_PARAM_PORT_CONFIG_direction, SPA_POD_Id(this->direction));
+//
+// 	if (filter) {
+// 		if ((res = spa_pod_filter(builder, &f2, f1, filter)) < 0)
+// 			return res;
+// 	}
+// 	else {
+// 		f2 = f1;
+// 	}
+//
+// 	return spa_node_enum_params(this->convert, seq, id, start, num, f2);
+// }
+
 static int impl_node_enum_params(void *object, int seq,
 				 uint32_t id, uint32_t start, uint32_t num,
 				 const struct spa_pod *filter)
@@ -181,7 +235,9 @@ next:
 
 	switch (id) {
 	case SPA_PARAM_EnumPortConfig:
-		return convert_enum_port_config(this, seq, id, start, num, filter, &b.b);
+		// return convert_enum_port_config(this, seq, id, start, num, filter, &b.b);
+		res = adapter_enum_port_config(this, id, &result, filter, &b.b);
+		break;
 	case SPA_PARAM_PortConfig:
 		if (this->passthrough) {
 			switch (result.index) {
@@ -198,7 +254,9 @@ next:
 				return 0;
 			}
 		} else {
-			return convert_enum_port_config(this, seq, id, start, num, filter, &b.b);
+			// return convert_enum_port_config(this, seq, id, start, num, filter, &b.b);
+			res = adapter_enum_port_config(this, id, &result, filter, &b.b);
+			break;
 		}
 		break;
 	case SPA_PARAM_PropInfo: