1 files changed, 1 insertions, 1 deletions
diff --git a/hash.h b/hash.h
index f6cbf068..e272ce45 100644
--- a/hash.h
+++ b/hash.h
@@ -80,7 +80,7 @@ val hash_keys(val hash);
 val hash_values(val hash);
 val hash_pairs(val hash);
 val hash_alist(val hash);
-val hash_uni(val hash1, val hash2, val joinfun);
+val hash_uni(val hash1, val hash2, val joinfun, val lunitfun, val runitfun);
 val hash_diff(val hash1, val hash2);
 val hash_symdiff(val hash1, val hash2);
 val hash_isec(val hash1, val hash2, val joinfun);