1 files changed, 1 insertions, 1 deletions
diff --git a/ext/gdbm/gdbm.c b/ext/gdbm/gdbm.c
index a8f75b27d1..eb802a7563 100644
--- a/ext/gdbm/gdbm.c
+++ b/ext/gdbm/gdbm.c
@@ -136,7 +136,7 @@ memsize_dbm(const void *ptr)
 static const rb_data_type_t dbm_type = {
     "gdbm",
     {0, free_dbm, memsize_dbm,},
-    NULL, NULL,
+    0, 0,
     RUBY_TYPED_FREE_IMMEDIATELY,
 };