diff --git a/internal/chacha20/asm_ppc64le.s b/internal/chacha20/asm_ppc64le.s
index 8815cb0..cde3fc9 100644
--- a/internal/chacha20/asm_ppc64le.s
+++ b/internal/chacha20/asm_ppc64le.s
@@ -135,7 +135,7 @@ TEXT ·chaCha20_ctr32_vmx(SB),NOSPLIT|NOFRAME,$0
 	MOVD inp+8(FP), INP
 	MOVD len+16(FP), LEN
 	MOVD key+24(FP), KEY
-	MOVD cnt+32(FP), CNT
+	MOVD counter+32(FP), CNT
 
 	MOVD $·consts(SB), CONSTS // point to consts addr
 
diff --git a/internal/chacha20/chacha_ppc64le.go b/internal/chacha20/chacha_ppc64le.go
index 9bd6df6..638cb5e 100644
--- a/internal/chacha20/chacha_ppc64le.go
+++ b/internal/chacha20/chacha_ppc64le.go
@@ -8,9 +8,10 @@ package chacha20
 
 import "encoding/binary"
 
-var haveAsm = true
-
-const bufSize = 256
+const (
+	bufSize = 256
+	haveAsm = true
+)
 
 //go:noescape
 func chaCha20_ctr32_vmx(out, inp *byte, len int, key *[8]uint32, counter *uint32)