diff --git a/repos/base-nova/src/core/core_log_out.cc b/repos/base-nova/src/core/core_log_out.cc
index 0571e83c16..84c7c5264c 100644
--- a/repos/base-nova/src/core/core_log_out.cc
+++ b/repos/base-nova/src/core/core_log_out.cc
@@ -22,7 +22,7 @@ void Genode::Core_log::out(char const c)
 {
 	enum { CLOCK = 0, BAUDRATE = 115200 };
 
-	static X86_uart uart(Bios_data_area::singleton()->serial_port(),
+	static X86_uart uart(0x3f8/*Bios_data_area::singleton()->serial_port()*/,
 	                     CLOCK, BAUDRATE);
 	if (c == '\n')
 		uart.put_char('\r');