diff --git a/cryptography/hazmat/bindings/openssl/ssl.py b/cryptography/hazmat/bindings/openssl/ssl.py
index 6c5795b..038ea54 100644
--- a/cryptography/hazmat/bindings/openssl/ssl.py
+++ b/cryptography/hazmat/bindings/openssl/ssl.py
@@ -117,6 +117,7 @@
 static const int SSL3_RANDOM_SIZE;
 typedef ... X509_STORE_CTX;
 static const int X509_V_OK;
+static const int X509_V_ERR_APPLICATION_VERIFICATION;
 typedef ... SSL_METHOD;
 typedef ... SSL_CTX;