1 files changed, 3 insertions, 3 deletions
diff --git a/src/zpowu.c b/src/zpowu.c
index 67cdc58..c4a2a64 100644
--- a/src/zpowu.c
+++ b/src/zpowu.c
@@ -7,12 +7,12 @@
 void
 zpowu(z_t a, z_t b, unsigned long long int c)
 {
-	if (EXPECT(!c, 0)) {
+	if (unlikely(!c)) {
 		if (zzero(b))
-			FAILURE(EDOM); /* Indeterminate form: 0:th power of 0 */
+			libzahl_failure(-ZERROR_0_POW_0);
 		zsetu(a, 1);
 		return;
-	} else if (EXPECT(zzero(b), 0)) {
+	} else if (unlikely(zzero(b))) {
 		SET_SIGNUM(a, 0);
 		return;
 	}