diff --git a/spa/include/spa/param/props.h b/spa/include/spa/param/props.h
index 5c32853be..e67ff4da2 100644
--- a/spa/include/spa/param/props.h
+++ b/spa/include/spa/param/props.h
@@ -63,6 +63,7 @@ enum spa_prop {
 	SPA_PROP_periodSize,
 	SPA_PROP_periodEvent,
 	SPA_PROP_live,
+	SPA_PROP_rate,
 
 	SPA_PROP_START_Audio	= 0x10000,	/**< audio related properties */
 	SPA_PROP_waveType,
diff --git a/spa/include/spa/param/type-info.h b/spa/include/spa/param/type-info.h
index f9192d273..2b0802b32 100644
--- a/spa/include/spa/param/type-info.h
+++ b/spa/include/spa/param/type-info.h
@@ -83,6 +83,8 @@ static const struct spa_type_info spa_type_props[] = {
 	{ SPA_PROP_periodSize, SPA_TYPE_PROPS_BASE "periodSize", SPA_TYPE_Int, },
 	{ SPA_PROP_periodEvent, SPA_TYPE_PROPS_BASE "periodEvent", SPA_TYPE_Bool, },
 	{ SPA_PROP_live, SPA_TYPE_PROPS_BASE "live", SPA_TYPE_Bool, },
+	{ SPA_PROP_rate, SPA_TYPE_PROPS_BASE "rate", SPA_TYPE_Double, },
+
 	{ SPA_PROP_waveType, SPA_TYPE_PROPS_BASE "waveType", SPA_TYPE_Id, },
 	{ SPA_PROP_frequency, SPA_TYPE_PROPS_BASE "frequency", SPA_TYPE_Int, },
 	{ SPA_PROP_volume, SPA_TYPE_PROPS_BASE "volume", SPA_TYPE_Float, },
@@ -90,6 +92,7 @@ static const struct spa_type_info spa_type_props[] = {
 	{ SPA_PROP_patternType, SPA_TYPE_PROPS_BASE "patternType", SPA_TYPE_Id, },
 	{ SPA_PROP_ditherType, SPA_TYPE_PROPS_BASE "ditherType", SPA_TYPE_Id, },
 	{ SPA_PROP_truncate, SPA_TYPE_PROPS_BASE "truncate", SPA_TYPE_Bool, },
+
 	{ SPA_PROP_brightness, SPA_TYPE_PROPS_BASE "brightness", SPA_TYPE_Int, },
 	{ SPA_PROP_contrast, SPA_TYPE_PROPS_BASE "contrast", SPA_TYPE_Int, },
 	{ SPA_PROP_saturation, SPA_TYPE_PROPS_BASE "saturation", SPA_TYPE_Int, },