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Diffstat (limited to 'encoding.c')
-rw-r--r--encoding.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/encoding.c b/encoding.c
index 469ec47db5..8bfab73177 100644
--- a/encoding.c
+++ b/encoding.c
@@ -102,7 +102,7 @@ static rb_encoding *global_enc_ascii,
static const rb_data_type_t encoding_data_type = {
"encoding",
{0, 0, 0,},
- 0, 0, RUBY_TYPED_FREE_IMMEDIATELY
+ 0, 0, RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_WB_PROTECTED
};
#define is_data_encoding(obj) (RTYPEDDATA_P(obj) && RTYPEDDATA_TYPE(obj) == &encoding_data_type)