diff --git a/plat/arm/board/a5ds/a5ds_err.c b/plat/arm/board/a5ds/a5ds_err.c
index 65b41dd..feb9fdf 100644
--- a/plat/arm/board/a5ds/a5ds_err.c
+++ b/plat/arm/board/a5ds/a5ds_err.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Arm Limited. All rights reserved.
+ * Copyright (c) 2019-2020, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -11,7 +11,7 @@
  */
 void __dead2 plat_arm_error_handler(int err)
 {
-	while (1) {
+	while (true) {
 		wfi();
 	}
 }
diff --git a/plat/arm/board/fvp/fvp_bl1_setup.c b/plat/arm/board/fvp/fvp_bl1_setup.c
index 0e77c4d..e713bbc 100644
--- a/plat/arm/board/fvp/fvp_bl1_setup.c
+++ b/plat/arm/board/fvp/fvp_bl1_setup.c
@@ -64,7 +64,7 @@
 	/* Setup the watchdog to reset the system as soon as possible */
 	sp805_refresh(ARM_SP805_TWDG_BASE, 1U);
 
-	while (1)
+	while (true)
 		wfi();
 }
 
diff --git a/plat/arm/board/fvp_ve/fvp_ve_err.c b/plat/arm/board/fvp_ve/fvp_ve_err.c
index 7f9d2f7..8d35688 100644
--- a/plat/arm/board/fvp_ve/fvp_ve_err.c
+++ b/plat/arm/board/fvp_ve/fvp_ve_err.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Arm Limited. All rights reserved.
+ * Copyright (c) 2019-2020, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -11,7 +11,7 @@
  */
 void __dead2 plat_arm_error_handler(int err)
 {
-	while (1) {
+	while (true) {
 		wfi();
 	}
 }
diff --git a/plat/arm/board/juno/juno_bl1_setup.c b/plat/arm/board/juno/juno_bl1_setup.c
index 25a27da..2234055 100644
--- a/plat/arm/board/juno/juno_bl1_setup.c
+++ b/plat/arm/board/juno/juno_bl1_setup.c
@@ -97,7 +97,7 @@
 	/* Setup the watchdog to reset the system as soon as possible */
 	sp805_refresh(ARM_SP805_TWDG_BASE, 1U);
 
-	while (1)
+	while (true)
 		wfi();
 }
 
diff --git a/plat/arm/board/rde1edge/rde1edge_err.c b/plat/arm/board/rde1edge/rde1edge_err.c
index e344d82..c72c18c 100644
--- a/plat/arm/board/rde1edge/rde1edge_err.c
+++ b/plat/arm/board/rde1edge/rde1edge_err.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Arm Limited. All rights reserved.
+ * Copyright (c) 2019-2020, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -11,7 +11,7 @@
  */
 void __dead2 plat_arm_error_handler(int err)
 {
-	while (1) {
+	while (true) {
 		wfi();
 	}
 }
diff --git a/plat/arm/board/rdn1edge/rdn1edge_err.c b/plat/arm/board/rdn1edge/rdn1edge_err.c
index cdcbf25..46d318c 100644
--- a/plat/arm/board/rdn1edge/rdn1edge_err.c
+++ b/plat/arm/board/rdn1edge/rdn1edge_err.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Arm Limited. All rights reserved.
+ * Copyright (c) 2019-2020, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -11,7 +11,7 @@
  */
 void __dead2 plat_arm_error_handler(int err)
 {
-	while (1) {
+	while (true) {
 		wfi();
 	}
 }
diff --git a/plat/arm/board/sgi575/sgi575_err.c b/plat/arm/board/sgi575/sgi575_err.c
index c1cc1a7..21bfcb7 100644
--- a/plat/arm/board/sgi575/sgi575_err.c
+++ b/plat/arm/board/sgi575/sgi575_err.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Arm Limited. All rights reserved.
+ * Copyright (c) 2019-2020, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -11,7 +11,7 @@
  */
 void __dead2 plat_arm_error_handler(int err)
 {
-	while (1) {
+	while (true) {
 		wfi();
 	}
 }
diff --git a/plat/arm/board/sgm775/sgm775_err.c b/plat/arm/board/sgm775/sgm775_err.c
index e1e0586..dc114f0 100644
--- a/plat/arm/board/sgm775/sgm775_err.c
+++ b/plat/arm/board/sgm775/sgm775_err.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Arm Limited. All rights reserved.
+ * Copyright (c) 2019-2020, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -11,7 +11,7 @@
  */
 void __dead2 plat_arm_error_handler(int err)
 {
-	while (1) {
+	while (true) {
 		wfi();
 	}
 }
diff --git a/plat/arm/board/tc0/tc0_err.c b/plat/arm/board/tc0/tc0_err.c
index 4fc0505..83f2e9f 100644
--- a/plat/arm/board/tc0/tc0_err.c
+++ b/plat/arm/board/tc0/tc0_err.c
@@ -11,7 +11,7 @@
  */
 void __dead2 plat_arm_error_handler(int err)
 {
-	while (1) {
+	while (true) {
 		wfi();
 	}
 }