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-rw-r--r--src/zpowu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/zpowu.c b/src/zpowu.c
index 3d58aa4..447147d 100644
--- a/src/zpowu.c
+++ b/src/zpowu.c
@@ -10,7 +10,7 @@ zpowu(z_t a, z_t b, unsigned long long int c)
int neg;
if (unlikely(!c)) {
- if (zzero(b))
+ if (check(zzero(b)))
libzahl_failure(-ZERROR_0_POW_0);
zsetu(a, 1);
return;