1 files changed, 1 insertions, 0 deletions
diff --git a/struct.c b/struct.c
index 0a0f217547..f3b8279213 100644
--- a/struct.c
+++ b/struct.c
@@ -774,6 +774,7 @@ rb_struct_select(int argc, VALUE *argv, VALUE s)
     if (argc > 0) {
 	rb_raise(rb_eArgError, "wrong number of arguments (%d for 0)", argc);
     }
+    RETURN_ENUMERATOR(s, 0, 0);
     result = rb_ary_new();
     for (i = 0; i < RSTRUCT_LEN(s); i++) {
 	if (RTEST(rb_yield(RSTRUCT_PTR(s)[i]))) {