diff --git a/spa/include/spa/param/type-info.h b/spa/include/spa/param/type-info.h
index 948998696..191623f1e 100644
--- a/spa/include/spa/param/type-info.h
+++ b/spa/include/spa/param/type-info.h
@@ -67,6 +67,16 @@ static const struct spa_type_info spa_type_param[] = {
 #include <spa/param/audio/type-info.h>
 #include <spa/param/video/type-info.h>
 
+static const struct spa_type_info spa_type_prop_channel_volume[] = {
+	{ SPA_PROP_START, SPA_TYPE_Float, SPA_TYPE_INFO_BASE "channelVolumes", NULL, },
+	{ 0, 0, NULL, NULL },
+};
+
+static const struct spa_type_info spa_type_prop_channel_map[] = {
+	{ SPA_PROP_START, SPA_TYPE_Id, SPA_TYPE_INFO_BASE "channelMap", spa_type_audio_channel, },
+	{ 0, 0, NULL, NULL },
+};
+
 static const struct spa_type_info spa_type_props[] = {
 	{ SPA_PROP_START, SPA_TYPE_Id, SPA_TYPE_INFO_PROPS_BASE, spa_type_param, },
 	{ SPA_PROP_unknown, SPA_TYPE_None, SPA_TYPE_INFO_PROPS_BASE "unknown", NULL },
@@ -91,10 +101,10 @@ static const struct spa_type_info spa_type_props[] = {
 	{ SPA_PROP_patternType, SPA_TYPE_Id, SPA_TYPE_INFO_PROPS_BASE "patternType", NULL },
 	{ SPA_PROP_ditherType, SPA_TYPE_Id, SPA_TYPE_INFO_PROPS_BASE "ditherType", NULL },
 	{ SPA_PROP_truncate, SPA_TYPE_Bool, SPA_TYPE_INFO_PROPS_BASE "truncate", NULL },
-	{ SPA_PROP_channelVolumes, SPA_TYPE_Float, SPA_TYPE_INFO_PROPS_BASE "channelVolumes", NULL },
+	{ SPA_PROP_channelVolumes, SPA_TYPE_Array, SPA_TYPE_INFO_PROPS_BASE "channelVolumes", spa_type_prop_channel_volume },
 	{ SPA_PROP_volumeBase, SPA_TYPE_Float, SPA_TYPE_INFO_PROPS_BASE "volumeBase", NULL },
 	{ SPA_PROP_volumeStep, SPA_TYPE_Float, SPA_TYPE_INFO_PROPS_BASE "volumeStep", NULL },
-	{ SPA_PROP_channelMap, SPA_TYPE_Id, SPA_TYPE_INFO_PROPS_BASE "channelMap", spa_type_audio_channel },
+	{ SPA_PROP_channelMap, SPA_TYPE_Array, SPA_TYPE_INFO_PROPS_BASE "channelMap", spa_type_prop_channel_map },
 
 	{ SPA_PROP_brightness, SPA_TYPE_Int, SPA_TYPE_INFO_PROPS_BASE "brightness", NULL },
 	{ SPA_PROP_contrast, SPA_TYPE_Int, SPA_TYPE_INFO_PROPS_BASE "contrast", NULL },
diff --git a/src/tools/pw-cli.c b/src/tools/pw-cli.c
index 5fd06e4a0..3b3c8c5b5 100644
--- a/src/tools/pw-cli.c
+++ b/src/tools/pw-cli.c
@@ -1575,7 +1575,7 @@ static int json_to_pod(struct spa_pod_builder *b, uint32_t id,
 		spa_pod_builder_push_array(b, &f[0]);
 		spa_json_enter(iter, &it[0]);
 		while ((l = spa_json_next(&it[0], &v)) > 0)
-			json_to_pod(b, id, info, &it[0], v, l);
+			json_to_pod(b, id, info->values, &it[0], v, l);
 		spa_pod_builder_pop(b, &f[0]);
 	}
 	else if (spa_json_is_float(value, len)) {