diff --git a/zuc/asm_ppc64x.s b/zuc/asm_ppc64x.s
index 0086d83..89a78ea 100644
--- a/zuc/asm_ppc64x.s
+++ b/zuc/asm_ppc64x.s
@@ -321,7 +321,8 @@ TEXT ·genKeywordAsm(SB),NOSPLIT,$0
 	XOR W, W                                                 \
 	LFSR_UPDT(idx, addr, W, tmpR1, tmpR2, tmpR3, tmpR4)
 
-#define ONEROUND_REV32LE(idx, addr, dst, W, tmpR1, tmpR2, tmpR3, tmpR4)      \
+#ifdef GOARCH_ppc64le
+#define ONEROUND_REV32(idx, addr, dst, W, tmpR1, tmpR2, tmpR3, tmpR4)      \
 	BITS_REORG(idx, addr, W, tmpR1, tmpR2, tmpR3)            \
 	NONLIN_FUN(W, tmpR1, tmpR2, tmpR3)                       \
 	XOR BRC_X3, W                                            \
@@ -329,11 +330,9 @@ TEXT ·genKeywordAsm(SB),NOSPLIT,$0
 	MOVWBR W, (tmpR1)(dst)                                   \
 	XOR W, W                                                 \
 	LFSR_UPDT(idx, addr, W, tmpR1, tmpR2, tmpR3, tmpR4)
-
-#ifdef GOARCH_ppc64le
-#define ONEROUND_REV32(idx, addr, dst, W, tmpR1, tmpR2, tmpR3, tmpR4) ONEROUND_REV32LE(idx, addr, dst, W, tmpR1, tmpR2, tmpR3, tmpR4)
 #else
-#define ONEROUND_REV32(idx, addr, dst, W, tmpR1, tmpR2, tmpR3, tmpR4) ONEROUND(idx, addr, dst, W, tmpR1, tmpR2, tmpR3, tmpR4)
+#define ONEROUND_REV32(idx, addr, dst, W, tmpR1, tmpR2, tmpR3, tmpR4)      \
+	ONEROUND(idx, addr, dst, W, tmpR1, tmpR2, tmpR3, tmpR4)
 #endif
 
 // func genKeyStreamAsm(keyStream []uint32, pState *zucState32)