1 files changed, 3 insertions, 1 deletions
diff --git a/src/port.c b/src/port.c
index dc4aed7..63efd2e 100644
--- a/src/port.c
+++ b/src/port.c
@@ -38,7 +38,9 @@ enum {
 static void
 ganv_port_init(GanvPort* port)
 {
-	port->impl           = GANV_PORT_GET_PRIVATE(port);
+	port->impl = G_TYPE_INSTANCE_GET_PRIVATE(
+		port, GANV_TYPE_PORT, GanvPortImpl);
+
 	port->impl->is_input = TRUE;
 }