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-rw-r--r--struct.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/struct.c b/struct.c
index 4d9018a..977d411 100644
--- a/struct.c
+++ b/struct.c
@@ -235,7 +235,7 @@ rb_struct_s_def(argc, argv, klass)
id = rb_to_id(RARRAY(rest)->ptr[i]);
RARRAY(rest)->ptr[i] = ID2SYM(id);
}
- if (TYPE(name) != T_STRING) {
+ if (!NIL_P(name) && TYPE(name) != T_STRING) {
id = rb_to_id(name);
rb_ary_unshift(rest, ID2SYM(id));
name = Qnil;