diff --git a/sm4/asm_arm64.s b/sm4/asm_arm64.s
index d35a925..0ec3f62 100644
--- a/sm4/asm_arm64.s
+++ b/sm4/asm_arm64.s
@@ -67,7 +67,7 @@ GLOBL fk_mask<>(SB), RODATA, $16
   LDP	nibble_mask<>(SB), (R0, R1);               \
 	VMOV	R0, XTMP6.D[0];                          \
 	VMOV	R1, XTMP6.D[1];                          \
-  VAND x.B16, XTMP6.B16, XTMP7.B16;              \
+  VAND x.B16, XTMP6.B16, XTMP7.B16