diff --git a/arch/arm/cpu/armv8/cache.S b/arch/arm/cpu/armv8/cache.S
index d846236..ab8c089 100644
--- a/arch/arm/cpu/armv8/cache.S
+++ b/arch/arm/cpu/armv8/cache.S
@@ -112,7 +112,7 @@
 
 ENTRY(__asm_invalidate_dcache_all)
 	mov	x16, lr
-	mov	x0, #0xffff
+	mov	x0, #0x1
 	bl	__asm_dcache_all
 	mov	lr, x16
 	ret