diff --git a/src/cryptography/hazmat/bindings/openssl/cms.py b/src/cryptography/hazmat/bindings/openssl/cms.py
index 5f2a8d3..a43df5d 100644
--- a/src/cryptography/hazmat/bindings/openssl/cms.py
+++ b/src/cryptography/hazmat/bindings/openssl/cms.py
@@ -80,26 +80,26 @@
 typedef void CMS_RecipientInfo;
 typedef void CMS_ReceiptRequest;
 typedef void CMS_Receipt;
-static const int CMS_TEXT = 0;
-static const int CMS_NOCERTS = 0;
-static const int CMS_NO_CONTENT_VERIFY = 0;
-static const int CMS_NO_ATTR_VERIFY = 0;
-static const int CMS_NOSIGS = 0;
-static const int CMS_NOINTERN = 0;
-static const int CMS_NO_SIGNER_CERT_VERIFY = 0;
-static const int CMS_NOVERIFY = 0;
-static const int CMS_DETACHED = 0;
-static const int CMS_BINARY = 0;
-static const int CMS_NOATTR = 0;
-static const int CMS_NOSMIMECAP = 0;
-static const int CMS_NOOLDMIMETYPE = 0;
-static const int CMS_CRLFEOL = 0;
-static const int CMS_STREAM = 0;
-static const int CMS_NOCRL = 0;
-static const int CMS_PARTIAL = 0;
-static const int CMS_REUSE_DIGEST = 0;
-static const int CMS_USE_KEYID = 0;
-static const int CMS_DEBUG_DECRYPT = 0;
+const long CMS_TEXT = 0;
+const long CMS_NOCERTS = 0;
+const long CMS_NO_CONTENT_VERIFY = 0;
+const long CMS_NO_ATTR_VERIFY = 0;
+const long CMS_NOSIGS = 0;
+const long CMS_NOINTERN = 0;
+const long CMS_NO_SIGNER_CERT_VERIFY = 0;
+const long CMS_NOVERIFY = 0;
+const long CMS_DETACHED = 0;
+const long CMS_BINARY = 0;
+const long CMS_NOATTR = 0;
+const long CMS_NOSMIMECAP = 0;
+const long CMS_NOOLDMIMETYPE = 0;
+const long CMS_CRLFEOL = 0;
+const long CMS_STREAM = 0;
+const long CMS_NOCRL = 0;
+const long CMS_PARTIAL = 0;
+const long CMS_REUSE_DIGEST = 0;
+const long CMS_USE_KEYID = 0;
+const long CMS_DEBUG_DECRYPT = 0;
 BIO *(*BIO_new_CMS)(BIO *, CMS_ContentInfo *) = NULL;
 int (*i2d_CMS_bio_stream)(BIO *, CMS_ContentInfo *, BIO *, int) = NULL;
 int (*PEM_write_bio_CMS_stream)(BIO *, CMS_ContentInfo *, BIO *, int) = NULL;