diff --git a/node.gyp b/node.gyp
index 1ab6b15d73133f..926fe98959c21a 100644
--- a/node.gyp
+++ b/node.gyp
@@ -816,7 +816,7 @@
               # Categories to export.
               '-CAES,BF,BIO,DES,DH,DSA,EC,ECDH,ECDSA,ENGINE,EVP,HMAC,MD4,MD5,'
               'PSK,RC2,RC4,RSA,SHA,SHA0,SHA1,SHA256,SHA512,SOCK,STDIO,TLSEXT,'
-              'FP_API,TLS1_METHOD,TLS1_1_METHOD,TLS1_2_METHOD,SCRYPT,OCSP,'
+              'UI,FP_API,TLS1_METHOD,TLS1_1_METHOD,TLS1_2_METHOD,SCRYPT,OCSP,'
               'NEXTPROTONEG,RMD160,CAST,DEPRECATEDIN_1_1_0,DEPRECATEDIN_1_2_0',
               # Defines.
               '-DWIN32',