diff --git a/sm3/sm3blocks_ppc64x.s b/sm3/sm3blocks_ppc64x.s
index ba03820..8323f37 100644
--- a/sm3/sm3blocks_ppc64x.s
+++ b/sm3/sm3blocks_ppc64x.s
@@ -89,6 +89,9 @@ TEXT ·transposeMatrix(SB),NOSPLIT,$0
 	TRANSPOSE_MATRIX(V4, V5, V6, V7, V8, V9, V10, V11, V12, V13, V14, V15)
 
 	MOVD 	(R0)(R3), R4
+	VSPLTW $4, TMP2
+	VRLW 	TMP2, V0, V0
+	VRLW 	TMP2, V4, V4	
 	STXVW4X	V0, (R0)(R4)
 	STXVW4X	V4, (R6)(R4)
 	MOVD 	(R5)(R3), R4