diff --git a/include/arch/aarch64/asm_macros.S b/include/arch/aarch64/asm_macros.S
index b4dab08..7d1407a 100644
--- a/include/arch/aarch64/asm_macros.S
+++ b/include/arch/aarch64/asm_macros.S
@@ -186,11 +186,12 @@
 	.space	SPINLOCK_ASM_SIZE
 	.endm
 
-#if RAS_EXTENSION
+	/*
+	 * With RAS extension executes esb instruction, else NOP
+	 */
 	.macro esb
 	.inst	0xd503221f
 	.endm
-#endif
 
 	/*
 	 * Helper macro to read system register value into x0