diff --git a/src/pipewire/impl-node.c b/src/pipewire/impl-node.c
index 14f76b9e7..754dbe602 100644
--- a/src/pipewire/impl-node.c
+++ b/src/pipewire/impl-node.c
@@ -1159,6 +1159,7 @@ static void check_properties(struct pw_impl_node *node)
 	node->transport_sync = pw_properties_get_bool(node->properties, PW_KEY_NODE_TRANSPORT_SYNC, false);
 	impl->cache_params =  pw_properties_get_bool(node->properties, PW_KEY_NODE_CACHE_PARAMS, true);
 	driver = pw_properties_get_bool(node->properties, PW_KEY_NODE_DRIVER, false);
+	node->exclusive = pw_properties_get_bool(node->properties, PW_KEY_NODE_EXCLUSIVE, false);
 
 	if (node->driver != driver) {
 		pw_log_debug("%p: driver %d -> %d", node, node->driver, driver);
diff --git a/src/pipewire/impl-port.c b/src/pipewire/impl-port.c
index 9c8744ff4..c85b05b88 100644
--- a/src/pipewire/impl-port.c
+++ b/src/pipewire/impl-port.c
@@ -370,6 +370,9 @@ int pw_impl_port_init_mix(struct pw_impl_port *port, struct pw_impl_port_mix *mi
 	uint32_t port_id;
 	int res = 0;
 
+	if (port->exclusive && port->n_mix != 0)
+		return -EBUSY;
+
 	port_id = pw_map_insert_new(&port->mix_port_map, mix);
 	if (port_id == SPA_ID_INVALID)
 		return -errno;
@@ -1236,6 +1239,7 @@ int pw_impl_port_add(struct pw_impl_port *port, struct pw_impl_node *node)
 	is_monitor = pw_properties_get_bool(port->properties, PW_KEY_PORT_MONITOR, false);
 
 	port->ignore_latency = pw_properties_get_bool(port->properties, PW_KEY_PORT_IGNORE_LATENCY, false);
+	port->exclusive = pw_properties_get_bool(port->properties, PW_KEY_PORT_EXCLUSIVE, node->exclusive);
 
 	is_control = PW_IMPL_PORT_IS_CONTROL(port);
 	if (is_control) {
diff --git a/src/pipewire/keys.h b/src/pipewire/keys.h
index ae7df2372..88b549d89 100644
--- a/src/pipewire/keys.h
+++ b/src/pipewire/keys.h
@@ -245,6 +245,7 @@ extern "C" {
 #define PW_KEY_PORT_PASSIVE		"port.passive"		/**< the ports wants passive links, since 0.3.67 */
 #define PW_KEY_PORT_IGNORE_LATENCY	"port.ignore-latency"	/**< latency ignored by peers, since 0.3.71 */
 #define PW_KEY_PORT_GROUP		"port.group"		/**< the port group of the port 1.2.0 */
+#define PW_KEY_PORT_EXCLUSIVE		"port.exclusive"	/**< link port only once 1.6.0 */
 
 /** link properties */
 #define PW_KEY_LINK_ID			"link.id"		/**< a link id */
diff --git a/src/pipewire/private.h b/src/pipewire/private.h
index 74624c9e3..e886f54e1 100644
--- a/src/pipewire/private.h
+++ b/src/pipewire/private.h
@@ -782,6 +782,7 @@ struct pw_impl_node {
 	unsigned int sync:1;		/**< the sync-groups are active */
 	unsigned int async:1;		/**< async processing, one cycle latency */
 	unsigned int lazy:1;		/**< the graph is lazy scheduling */
+	unsigned int exclusive:1;	/**< ports can only be linked once */
 
 	uint32_t transport;		/**< latest transport request */
 
@@ -964,6 +965,7 @@ struct pw_impl_port {
 	unsigned int have_latency_param:1;
 	unsigned int ignore_latency:1;
 	unsigned int have_latency:1;
+	unsigned int exclusive:1;		/**< port can only be linked once */
 
 	unsigned int have_tag_param:1;
 	struct spa_pod *tag[2];			/**< tags */