diff --git a/util.h b/util.h
index 7370272..c400a50 100644
--- a/util.h
+++ b/util.h
@@ -26,6 +26,7 @@ void apathmax(char **, size_t *);
 void *ecalloc(size_t, size_t);
 void *emalloc(size_t);
 void *erealloc(void *, size_t);
+#undef reallocarray
 void *reallocarray(void *, size_t, size_t);
 void *ereallocarray(void *, size_t, size_t);
 char *estrdup(const char *);