diff --git a/libplatsupport/src/plat/tqma8xqp1gb/serial.c b/libplatsupport/src/plat/tqma8xqp1gb/serial.c
index 3f708b3f..aaf7482d 100644
--- a/libplatsupport/src/plat/tqma8xqp1gb/serial.c
+++ b/libplatsupport/src/plat/tqma8xqp1gb/serial.c
@@ -50,6 +50,7 @@ int uart_putchar(ps_chardevice_t *d, int c)
     /* Wait to be able to transmit. */
     while (!(*UART_REG(d, STAT) & STAT_TDRE)) { }
     *UART_REG(d, TRANSMIT_RECEIVE) = c;
+    return 0;
 }