diff --git a/lib/psci/aarch32/psci_helpers.S b/lib/psci/aarch32/psci_helpers.S
index 5cc192e..d28d469 100644
--- a/lib/psci/aarch32/psci_helpers.S
+++ b/lib/psci/aarch32/psci_helpers.S
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2023, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -143,6 +143,7 @@
  */
 func psci_power_down_wfi
 	dsb	sy		// ensure write buffer empty
+1:
 	wfi
-	no_ret	plat_panic_handler
+	b	1b
 endfunc psci_power_down_wfi
diff --git a/lib/psci/aarch64/psci_helpers.S b/lib/psci/aarch64/psci_helpers.S
index add968a..0bb1988 100644
--- a/lib/psci/aarch64/psci_helpers.S
+++ b/lib/psci/aarch64/psci_helpers.S
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2023, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -125,6 +125,7 @@
  */
 func psci_power_down_wfi
 	dsb	sy		// ensure write buffer empty
+1:
 	wfi
-	no_ret	plat_panic_handler
+	b	1b
 endfunc psci_power_down_wfi