diff --git a/src/soc/imgtec/pistachio/uart.c b/src/soc/imgtec/pistachio/uart.c
index ff91459d87..ee5da57a37 100644
--- a/src/soc/imgtec/pistachio/uart.c
+++ b/src/soc/imgtec/pistachio/uart.c
@@ -179,7 +179,7 @@ void uart_fill_lb(void *data)
 	serial.type = LB_SERIAL_TYPE_MEMORY_MAPPED;
 	serial.baseaddr = uart_platform_base(CONFIG_UART_FOR_CONSOLE);
 	serial.baud = default_baudrate();
-	serial.regwidth = 1;
+	serial.regwidth = 1 << UART_SHIFT;
 	lb_add_serial(&serial, data);
 
 	lb_add_console(LB_TAG_CONSOLE_SERIAL8250MEM, data);