diff --git a/lib/connection-parameters.js b/lib/connection-parameters.js
index 98faa826..d6351701 100644
--- a/lib/connection-parameters.js
+++ b/lib/connection-parameters.js
@@ -58,7 +58,7 @@ ConnectionParameters.prototype.getLibpqConnectionString = function(cb) {
     params.push("dbname='" + this.database + "'");
   }
   if(this.isDomainSocket) {
-    params.push("host=" + this.getDomainSocketName());
+    params.push("host=" + this.host);
     return cb(null, params.join(' '));
   }
   params.push("options=--client_encoding='utf-8'");
@@ -69,14 +69,4 @@ ConnectionParameters.prototype.getLibpqConnectionString = function(cb) {
   });
 };
 
-ConnectionParameters.prototype.getDomainSocketName = function() {
-  var filename =  '.s.PGSQL.' + this.port;
-
-  //if host is full path to socket fd with port number, just return it
-  if(this.host.indexOf(filename) > -1) return this.host;
-
-  //otherwise, build it from host + standard filename + port
-  return path.join(this.host, filename);
-};
-
 module.exports = ConnectionParameters;
diff --git a/test/unit/connection-parameters/creation-tests.js b/test/unit/connection-parameters/creation-tests.js
index c1249437..6e73f7cd 100644
--- a/test/unit/connection-parameters/creation-tests.js
+++ b/test/unit/connection-parameters/creation-tests.js
@@ -53,17 +53,6 @@ test('initializing with unix domain socket', function() {
   assert.equal(subject.host, '/var/run/');
 });
 
-test('builds domain socket', function() {
-  var subject = new ConnectionParameters({
-    host: '/var/run/',
-    port: 1234
-  });
-  assert.equal(subject.getDomainSocketName(), '/var/run/.s.PGSQL.1234');
-  subject.host = '/tmp';
-  assert.equal(subject.getDomainSocketName(), '/tmp/.s.PGSQL.1234');
-  assert.equal(subject.getDomainSocketName(), '/tmp/.s.PGSQL.1234');
-});
-
 test('libpq connection string building', function() {
   var checkForPart = function(array, part) {
     assert.ok(array.indexOf(part) > -1, array.join(" ") + " did not contain " + part);
@@ -131,7 +120,7 @@ test('libpq connection string building', function() {
       assert.isNull(err);
       var parts = constring.split(" ");
       checkForPart(parts, "user='brian'");
-      checkForPart(parts, "host=/tmp/.s.PGSQL.5432");
+      checkForPart(parts, "host=/tmp/");
     }));
   });