diff --git a/src/ClassDiscovery.php b/src/ClassDiscovery.php
index c75ac97..5754305 100644
--- a/src/ClassDiscovery.php
+++ b/src/ClassDiscovery.php
@@ -36,7 +36,7 @@ abstract class ClassDiscovery
      *
      * @param string $type
      *
-     * @return string
+     * @return string|\Closure
      *
      * @throws DiscoveryFailedException
      */
diff --git a/src/HttpAsyncClientDiscovery.php b/src/HttpAsyncClientDiscovery.php
index f058ef5..45d8c5b 100644
--- a/src/HttpAsyncClientDiscovery.php
+++ b/src/HttpAsyncClientDiscovery.php
@@ -25,7 +25,12 @@ public static function find()
         try {
             $asyncClient = static::findOneByType(HttpAsyncClient::class);
 
-            return new $asyncClient();
+            // Something like this
+            if (is_string($asyncClient)) {
+                return new $asyncClient();
+            }
+
+            return $asyncClient();
         } catch (DiscoveryFailedException $e) {
             throw new NotFoundException(
                 'No HTTPlug async clients found. Make sure to install a package providing "php-http/async-client-implementation". Example: "php-http/guzzle6-adapter".',
diff --git a/src/Strategy/EmulateAsyncClientStrategy.php b/src/Strategy/EmulateAsyncClientStrategy.php
new file mode 100644
index 0000000..2da999d
--- /dev/null
+++ b/src/Strategy/EmulateAsyncClientStrategy.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace Http\Discovery\Strategy;
+
+use Http\Adapter\Guzzle6\Client as Guzzle6;
+use Http\Adapter\Guzzle5\Client as Guzzle5;
+use Http\Client\Common\EmulatedHttpAsyncClient;
+use Http\Client\Curl\Client as Curl;
+use Http\Client\Socket\Client as Socket;
+use Http\Adapter\React\Client as React;
+use Http\Adapter\Buzz\Client as Buzz;
+
+/**
+ * @internal
+ *
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+final class EmulateAsyncClientStrategy implements DiscoveryStrategy
+{
+    /**
+     * {@inheritdoc}
+     */
+    public static function getCandidates($type)
+    {
+        if ($type === 'Http\Client\HttpAsyncClient') {
+            return [
+            //     ['class' => Guzzle6::class, 'condition' => Guzzle6::class],
+            //     ['class' => Curl::class, 'condition' => Curl::class],
+            //     ['class' => React::class, 'condition' => React::class],
+                ['class' => function() { return new EmulatedHttpAsyncClient(new Guzzle5()); }, 'condition' => Guzzle5::class],
+                ['class' => function() { return new EmulatedHttpAsyncClient(new Socket()); }, 'condition' => Socket::class],
+                ['class' => function() { return new EmulatedHttpAsyncClient(new Buzz()); }, 'condition' => Buzz::class],
+            ];
+        }
+
+        return [];
+    }
+}