diff --git a/platform/generic/thead/thead_c9xx_tlb_trap_handler.S b/platform/generic/thead/thead_c9xx_tlb_trap_handler.S
index 861c029..120daa7 100644
--- a/platform/generic/thead/thead_c9xx_tlb_trap_handler.S
+++ b/platform/generic/thead/thead_c9xx_tlb_trap_handler.S
@@ -9,5 +9,5 @@
 	.align 3
 	.globl _thead_tlb_flush_fixup_trap_handler
 _thead_tlb_flush_fixup_trap_handler:
-	sfence.vma t0, zero
+	sfence.vma zero, t0
 	j _trap_handler