diff --git a/src/portmanager.cpp b/src/portmanager.cpp
index 130b02d..69f6a8a 100644
--- a/src/portmanager.cpp
+++ b/src/portmanager.cpp
@@ -46,7 +46,7 @@ void PortManager::Refresh()
 		Add(jack_port_by_name(client, ports[i]));
 	}
 
-	free(ports);
+	jack_free(ports);
 
 	RefreshConnections();
 }