diff --git a/library/Requests.php b/library/Requests.php
index 49489c0a5..9e2a2e1e9 100755
--- a/library/Requests.php
+++ b/library/Requests.php
@@ -323,7 +323,7 @@ public static function patch($url, $headers, $data = array(), $options = array()
 	 *    for Basic authentication
 	 *    (Requests_Auth|array|boolean, default: false)
 	 * - `proxy`: Proxy details to use for proxy by-passing and authentication
-	 *    (Requests_Proxy|array|boolean, default: false)
+	 *    (Requests_Proxy|array|string|boolean, default: false)
 	 * - `max_bytes`: Limit for the response body size.
 	 *    (integer|boolean, default: false)
 	 * - `idn`: Enable IDN parsing
@@ -575,7 +575,7 @@ protected static function set_defaults(&$url, &$headers, &$data, &$type, &$optio
 			$options['auth']->register($options['hooks']);
 		}
 
-		if (!empty($options['proxy'])) {
+		if (is_string($options['proxy']) || is_array($options['proxy'])) {
 			$options['proxy'] = new Requests_Proxy_HTTP($options['proxy']);
 		}
 		if ($options['proxy'] !== false) {
diff --git a/tests/Proxy/HTTP.php b/tests/Proxy/HTTP.php
index 351570dfe..3d81745de 100644
--- a/tests/Proxy/HTTP.php
+++ b/tests/Proxy/HTTP.php
@@ -79,7 +79,7 @@ public function testConnectWithInstance($transport) {
 		$this->checkProxyAvailable();
 
 		$options = array(
-			'proxy' => REQUESTS_HTTP_PROXY,
+			'proxy' => new Requests_Proxy_HTTP(REQUESTS_HTTP_PROXY),
 			'transport' => $transport,
 		);
 		$response = Requests::get(httpbin('/get'), array(), $options);
@@ -128,4 +128,4 @@ public function testConnectWithInvalidAuth($transport) {
 		$response = Requests::get(httpbin('/get'), array(), $options);
 		$this->assertEquals(407, $response->status_code);
 	}
-}
\ No newline at end of file
+}