diff --git a/drivers/console/multi_console.c b/drivers/console/multi_console.c
index 215f495..0665f20 100644
--- a/drivers/console/multi_console.c
+++ b/drivers/console/multi_console.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -90,7 +90,7 @@
 	console_t *console;
 
 	for (console = console_list; console != NULL; console = console->next)
-		if ((console->flags & console_state) && console->putc) {
+		if ((console->flags & console_state) && (console->putc != NULL)) {
 			int ret = do_putc(c, console);
 			if ((err == ERROR_NO_VALID_CONSOLE) || (ret < err))
 				err = ret;
@@ -107,7 +107,7 @@
 	do {	/* Keep polling while at least one console works correctly. */
 		for (console = console_list; console != NULL;
 		     console = console->next)
-			if ((console->flags & console_state) && console->getc) {
+			if ((console->flags & console_state) && (console->getc != NULL)) {
 				int ret = console->getc(console);
 				if (ret >= 0)
 					return ret;
@@ -125,7 +125,7 @@
 	console_t *console;
 
 	for (console = console_list; console != NULL; console = console->next)
-		if ((console->flags & console_state) && console->flush) {
+		if ((console->flags & console_state) && (console->flush != NULL)) {
 			int ret = console->flush(console);
 			if ((err == ERROR_NO_VALID_CONSOLE) || (ret < err))
 				err = ret;