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-rw-r--r--ext/openssl/ossl_asn1.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/openssl/ossl_asn1.c b/ext/openssl/ossl_asn1.c
index ab45bd833c..0085d4beab 100644
--- a/ext/openssl/ossl_asn1.c
+++ b/ext/openssl/ossl_asn1.c
@@ -1824,7 +1824,7 @@ do{\
rb_define_method(cASN1EndOfContent, "to_der", ossl_asn1eoc_to_der, 0);
class_tag_map = rb_hash_new();
- rb_global_variable(&class_tag_map);
+ rb_gc_register_mark_object(class_tag_map);
rb_hash_aset(class_tag_map, cASN1EndOfContent, INT2NUM(V_ASN1_EOC));
rb_hash_aset(class_tag_map, cASN1Boolean, INT2NUM(V_ASN1_BOOLEAN));
rb_hash_aset(class_tag_map, cASN1Integer, INT2NUM(V_ASN1_INTEGER));