diff --git a/omega-pac/src/profiles.coffee b/omega-pac/src/profiles.coffee
index 3a68270..b89b5ed 100644
--- a/omega-pac/src/profiles.coffee
+++ b/omega-pac/src/profiles.coffee
@@ -62,7 +62,10 @@ module.exports = exports =
 
   pacResult: (proxy) ->
     if proxy
-      "#{exports.pacProtocols[proxy.scheme]} #{proxy.host}:#{proxy.port}"
+      if proxy.scheme == 'socks5'
+        "SOCKS5 #{proxy.host}:#{proxy.port}; SOCKS #{proxy.host}:#{proxy.port}"
+      else
+        "#{exports.pacProtocols[proxy.scheme]} #{proxy.host}:#{proxy.port}"
     else
       'DIRECT'
 
diff --git a/omega-pac/test/profiles.coffee b/omega-pac/test/profiles.coffee
index 5094fae..2e787c9 100644
--- a/omega-pac/test/profiles.coffee
+++ b/omega-pac/test/profiles.coffee
@@ -46,6 +46,10 @@ describe 'Profiles', ->
     it 'should return a valid PAC result for a proxy', ->
       proxy = {scheme: "http", host: "127.0.0.1", port: 8888}
       Profiles.pacResult(proxy).should.equal("PROXY 127.0.0.1:8888")
+    it 'should return special compatible result for SOCKS5', ->
+      proxy = {scheme: "socks5", host: "127.0.0.1", port: 8888}
+      compatibleResult = "SOCKS5 127.0.0.1:8888; SOCKS 127.0.0.1:8888"
+      Profiles.pacResult(proxy).should.equal(compatibleResult)
   describe '#byName', ->
     it 'should get profiles from builtin profiles', ->
       profile = Profiles.byName('direct')