diff --git a/platforms/common/uORB/Subscription.cpp b/platforms/common/uORB/Subscription.cpp
index 9c17cab378d2..473c5548666b 100644
--- a/platforms/common/uORB/Subscription.cpp
+++ b/platforms/common/uORB/Subscription.cpp
@@ -76,7 +76,7 @@ void Subscription::unsubscribe()
 bool Subscription::ChangeInstance(uint8_t instance)
 {
 	if (instance != _instance) {
-		if (uORB::Manager::orb_device_node_exists(_orb_id, _instance)) {
+		if (uORB::Manager::orb_device_node_exists(_orb_id, instance)) {
 			// if desired new instance exists, unsubscribe from current
 			unsubscribe();
 			_instance = instance;