diff --git a/sandbox.c b/sandbox.c
index 8a8cc9e..0d4773f 100644
--- a/sandbox.c
+++ b/sandbox.c
@@ -61,6 +61,12 @@ sandbox_logger_process(void)
 
 #warning "No sandbox method known for this OS"
 
+void
+sandbox_main_process(void)
+{
+	return;
+}
+
 void
 sandbox_server_process(void)
 {