1 files changed, 2 insertions, 3 deletions
diff --git a/src/znot.c b/src/znot.c
index bebc55b..e076cda 100644
--- a/src/znot.c
+++ b/src/znot.c
@@ -5,7 +5,7 @@
 void
 znot(z_t a, z_t b)
 {
-	size_t bits, i;
+	size_t bits;
 
 	if (unlikely(zzero(b))) {
 		SET_SIGNUM(a, 0);
@@ -16,8 +16,7 @@ znot(z_t a, z_t b)
 	a->used = b->used;
 	SET_SIGNUM(a, -zsignum(b));
 
-	for (i = 0; i < a->used; i++)
-		a->chars[i] = ~(b->chars[i]);
+	ZMEM_1OP(a->chars, b->chars, a->used, ~);
 	bits = BITS_IN_LAST_CHAR(bits);
 	if (bits)
 		a->chars[a->used - 1] &= ((zahl_char_t)1 << bits) - 1;