diff --git a/hash.c b/hash.c
index 514f9bbaf8..d8aaaaa924 100644
--- a/hash.c
+++ b/hash.c
@@ -2595,10 +2595,10 @@ rb_hash_update(int argc, VALUE *argv, VALUE self)
     for (i = 0; i < argc; i++){
        VALUE hash = to_hash(argv[i]);
        if (block_given) {
-          rb_hash_foreach(hash, rb_hash_update_block_i, self);
+           rb_hash_foreach(hash, rb_hash_update_block_i, self);
        }
        else {
-          rb_hash_foreach(hash, rb_hash_update_i, self);
+           rb_hash_foreach(hash, rb_hash_update_i, self);
        }
     }
     return self;