diff --git a/src/Client.php b/src/Client.php
index 5d5bb43797..6c559cf26d 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -113,6 +113,7 @@ class Client implements Stdlib\DispatchableInterface
         'keepalive'       => false,
         'outputstream'    => false,
         'encodecookies'   => true,
+        'argseparator'    => null,
         'rfc3986strict'   => false
     );
 
@@ -355,6 +356,33 @@ public function getMethod()
         return $this->getRequest()->getMethod();
     }
 
+    /**
+     * Set the query string argument separator
+     *
+     * @param string $argSeparator
+     * @return Client
+     */
+    public function setArgSeparator($argSeparator)
+    {
+        $this->setOptions(array("argseparator" => $argSeparator));
+        return $this;
+    }
+
+    /**
+     * Get the query string argument separator
+     *
+     * @return string
+     */
+    public function getArgSeparator()
+    {
+        $argSeparator = $this->config['argseparator'];
+        if (empty($argSeparator)) {
+            $argSeparator = ini_get('arg_separator.output');
+            $this->setArgSeparator($argSeparator);
+        }
+        return $argSeparator;
+    }
+
     /**
      * Set the encoding type and the boundary (if any)
      *
@@ -773,14 +801,14 @@ public function send(Request $request = null)
 
                 if (!empty($queryArray)) {
                     $newUri = $uri->toString();
-                    $queryString = http_build_query($query);
+                    $queryString = http_build_query($query, null, $this->getArgSeparator());
 
                     if ($this->config['rfc3986strict']) {
                         $queryString = str_replace('+', '%20', $queryString);
                     }
 
                     if (strpos($newUri, '?') !== false) {
-                        $newUri .= '&' . $queryString;
+                        $newUri .= $this->getArgSeparator() . $queryString;
                     } else {
                         $newUri .= '?' . $queryString;
                     }
diff --git a/test/Client/CommonHttpTests.php b/test/Client/CommonHttpTests.php
index b75b7a5d09..df6a0fdf6a 100644
--- a/test/Client/CommonHttpTests.php
+++ b/test/Client/CommonHttpTests.php
@@ -113,20 +113,28 @@ protected function tearDown()
      * Simple request tests
      */
 
+    public function methodProvider()
+    {
+        return array(
+            array(Request::METHOD_GET),
+            array(Request::METHOD_POST),
+            array(Request::METHOD_OPTIONS),
+            array(Request::METHOD_PUT),
+            array(Request::METHOD_DELETE),
+            array(Request::METHOD_PATCH),
+        );
+    }
+
     /**
      * Test simple requests
      *
+     * @dataProvider methodProvider
      */
-    public function testSimpleRequests()
+    public function testSimpleRequests($method)
     {
-        $methods= array(Request::METHOD_GET, Request::METHOD_POST, Request::METHOD_OPTIONS,
-                        Request::METHOD_PUT, Request::METHOD_DELETE, Request::METHOD_PATCH);
-
-        foreach ($methods as $method) {
-            $this->client->setMethod($method);
-            $res = $this->client->send();
-            $this->assertTrue($res->isSuccess(), "HTTP {$method} request failed.");
-        }
+        $this->client->setMethod($method);
+        $res = $this->client->send();
+        $this->assertTrue($res->isSuccess(), "HTTP {$method} request failed.");
     }
 
     /**
@@ -977,6 +985,21 @@ public function testContentTypeAdditionlInfo($params)
                             $request->getHeaders()->get('Content-Type')->getFieldValue());
     }
 
+    /**
+     * @group 2774
+     * @group 2745
+     */
+    public function testUsesProvidedArgSeparator()
+    {
+        $this->client->setArgSeparator(';');
+        $request = new Request();
+        $request->setUri('http://framework.zend.com');
+        $request->setQuery(array('foo' => 'bar', 'baz' => 'bat'));
+        $this->client->send($request);
+        $rawRequest = $this->client->getLastRawRequest();
+        $this->assertContains('?foo=bar;baz=bat', $rawRequest);
+    }
+
     /**
      * Internal helpder function to get the contents of test files
      *
@@ -1045,5 +1068,4 @@ public static function invalidConfigProvider()
             array(55)
         );
     }
-
 }
diff --git a/test/ClientTest.php b/test/ClientTest.php
index ac1d939d98..0e48dbb77f 100644
--- a/test/ClientTest.php
+++ b/test/ClientTest.php
@@ -79,4 +79,26 @@ public function testIfArrayIteratorOfHeadersCanBeSet()
         $cookies = $client->getCookies();
         $this->assertEquals(2, count($cookies));
     }
+
+    /**
+     * @group 2774
+     * @group 2745
+     */
+    public function testArgSeparatorDefaultsToIniSetting()
+    {
+        $argSeparator = ini_get('arg_separator.output');
+        $client = new Client();
+        $this->assertEquals($argSeparator, $client->getArgSeparator());
+    }
+
+    /**
+     * @group 2774
+     * @group 2745
+     */
+    public function testCanOverrideArgSeparator()
+    {
+        $client = new Client();
+        $client->setArgSeparator(';');
+        $this->assertEquals(';', $client->getArgSeparator());
+    }
 }