1 files changed, 1 insertions, 1 deletions
diff --git a/array.c b/array.c
index 2bb31dd1e7..8e50449efa 100644
--- a/array.c
+++ b/array.c
@@ -5762,7 +5762,7 @@ rb_ary_sum(int argc, VALUE *argv, VALUE ary)
                 v = rb_to_float(v);
                 goto float_value;
             }
-            v = rb_rational_add(e, v);
+            v = rb_rational_plus(e, v);
         }
         return v;
     }