diff --git a/ext/openssl/ossl_pkcs12.c b/ext/openssl/ossl_pkcs12.c
index b3974cb78c..53e0e619ca 100644
--- a/ext/openssl/ossl_pkcs12.c
+++ b/ext/openssl/ossl_pkcs12.c
@@ -7,11 +7,11 @@
 
 #define WrapPKCS12(klass, obj, p12) do { \
     if(!(p12)) ossl_raise(rb_eRuntimeError, "PKCS12 wasn't initialized."); \
-    (obj) = Data_Wrap_Struct((klass), 0, PKCS12_free, (p12)); \
+    (obj) = TypedData_Wrap_Struct((klass), &ossl_pkcs12_type, (p12)); \
 } while (0)
 
 #define GetPKCS12(obj, p12) do { \
-    Data_Get_Struct((obj), PKCS12, (p12)); \
+    TypedData_Get_Struct((obj), PKCS12, &ossl_pkcs12_type, (p12)); \
     if(!(p12)) ossl_raise(rb_eRuntimeError, "PKCS12 wasn't initialized."); \
 } while (0)
 
@@ -36,6 +36,20 @@ VALUE ePKCS12Error;
 /*
  * Private
  */
+static void
+ossl_pkcs12_free(void *ptr)
+{
+    PKCS12_free(ptr);
+}
+
+static const rb_data_type_t ossl_pkcs12_type = {
+    "OpenSSL/PKCS12",
+    {
+	0, ossl_pkcs12_free,
+    },
+    0, 0, RUBY_TYPED_FREE_IMMEDIATELY,
+};
+
 static VALUE
 ossl_pkcs12_s_allocate(VALUE klass)
 {