1 files changed, 2 insertions, 1 deletions
diff --git a/process.c b/process.c
index 0b2fdeb840..dee565ede4 100644
--- a/process.c
+++ b/process.c
@@ -2075,11 +2075,12 @@ check_exec_redirect1(VALUE ary, VALUE key, VALUE param)
         rb_ary_push(ary, hide_obj(rb_assoc_new(fd, param)));
     }
     else {
-        int i;
+        int i, n=0;
         for (i = 0 ; i < RARRAY_LEN(key); i++) {
             VALUE v = RARRAY_AREF(key, i);
             VALUE fd = check_exec_redirect_fd(v, !NIL_P(param));
             rb_ary_push(ary, hide_obj(rb_assoc_new(fd, param)));
+            n++;
         }
     }
     return ary;