diff --git a/Async/AsyncAdapter.php b/Async/AsyncAdapter.php
index 32e016b..68ff4e5 100644
--- a/Async/AsyncAdapter.php
+++ b/Async/AsyncAdapter.php
@@ -150,7 +150,8 @@ protected function executeCommand(
 
                         return null;
                     });
-            }, function (\Exception $exception) use ($from, $outputPrinter, $command, $ok, $ko) {
+            })
+            ->otherwise(function (\Throwable $exception) use ($from, $outputPrinter, $command, $ok, $ko) {
                 $to = microtime(true);
                 $ignorable = $exception instanceof MissingHandlerException;
 
@@ -162,16 +163,10 @@ protected function executeCommand(
                         : CommandConsumedLineMessage::REJECTED
                 ))->print($outputPrinter);
 
-                return (
-                    $ignorable
-                        ? (resolve())
-                            ->then(function () use ($ok) {
-                                return $ok();
-                            })
-                        : (resolve())
-                            ->then(function () use ($ko) {
-                                return $ko();
-                            })
+                return
+                    (resolve($ignorable
+                        ? $ok()
+                        : $ko())
                     )
                     ->then(function () {
                         return null;
diff --git a/Bus/CommandBus.php b/Bus/CommandBus.php
index 6393880..d3a21d0 100644
--- a/Bus/CommandBus.php
+++ b/Bus/CommandBus.php
@@ -39,9 +39,8 @@ public function execute($command): PromiseInterface
             return $this
                 ->handle($command)
                 ->then(function () {
-                    return;
                 });
-        } catch (\Exception $exception) {
+        } catch (\Throwable $exception) {
             return reject($exception);
         }
     }
diff --git a/Tests/Async/AsyncAdapterTest.php b/Tests/Async/AsyncAdapterTest.php
index b6c5c80..a4278d0 100644
--- a/Tests/Async/AsyncAdapterTest.php
+++ b/Tests/Async/AsyncAdapterTest.php
@@ -24,12 +24,14 @@
 use Drift\CommandBus\Tests\Command\ChangeYetAnotherThing;
 use Drift\CommandBus\Tests\Command\NotRecoverableCommand;
 use Drift\CommandBus\Tests\Command\RejectException;
+use Drift\CommandBus\Tests\Command\ThrowError;
 use Drift\CommandBus\Tests\Command\ThrowException;
 use Drift\CommandBus\Tests\CommandHandler\ChangeAnotherThingHandler;
 use Drift\CommandBus\Tests\CommandHandler\ChangeAThingHandler;
 use Drift\CommandBus\Tests\CommandHandler\ChangeYetAnotherThingHandler;
 use Drift\CommandBus\Tests\CommandHandler\NotRecoverableCommandHandler;
 use Drift\CommandBus\Tests\CommandHandler\RejectExceptionHandler;
+use Drift\CommandBus\Tests\CommandHandler\ThrowErrorHandler;
 use Drift\CommandBus\Tests\CommandHandler\ThrowExceptionHandler;
 use Drift\CommandBus\Tests\Context;
 use Drift\CommandBus\Tests\Middleware\Middleware1;
@@ -86,6 +88,12 @@ protected static function decorateConfiguration(array $configuration): array
             ],
         ];
 
+        $configuration['services'][ThrowErrorHandler::class] = [
+            'tags' => [
+                ['name' => 'command_handler', 'method' => 'handle'],
+            ],
+        ];
+
         $configuration['imports'] = [
             ['resource' => __DIR__.'/../autowiring.yml'],
         ];
@@ -285,6 +293,11 @@ public function testReturnRejectedPromise()
         $process->stop();
     }
 
+    /**
+     * @return void
+     *
+     * @throws \Drift\CommandBus\Exception\InvalidCommandException
+     */
     public function testNoRecoverableCommand()
     {
         $this->resetInfrastructure();
@@ -307,6 +320,33 @@ public function testNoRecoverableCommand()
         $process->stop();
     }
 
+    /**
+     * @return void
+     *
+     * @throws \Drift\CommandBus\Exception\InvalidCommandException
+     */
+    public function testErrorIsThrownInHandler()
+    {
+        $this->resetInfrastructure();
+
+        $process = $this->runAsyncCommand([
+            'command-bus:consume-commands',
+        ]);
+
+        usleep(500000);
+
+        $promises[] = $this
+            ->getCommandBus()
+            ->execute(new ThrowError());
+
+        awaitAll($promises, $this->getLoop());
+        usleep(500000);
+        $output = $process->getOutput();
+        $this->assertTrue(1 === substr_count($output, 'Rejected'));
+        $this->assertStringContainsString("\033[01;31mRejected\033[0m ThrowError", $output);
+        $process->stop();
+    }
+
     /**
      * Reset infrastructure.
      *
diff --git a/Tests/Async/InMemoryAsyncTest.php b/Tests/Async/InMemoryAsyncTest.php
index ce7d391..5b9bad1 100644
--- a/Tests/Async/InMemoryAsyncTest.php
+++ b/Tests/Async/InMemoryAsyncTest.php
@@ -64,6 +64,11 @@ public function testNoRecoverableCommand()
         $this->markTestSkipped('InMemory adapter should not fire this test');
     }
 
+    public function testErrorIsThrownInHandler()
+    {
+        $this->markTestSkipped('InMemory adapter should not fire this test');
+    }
+
     /**
      * Consume commands.
      *
diff --git a/Tests/Command/ThrowError.php b/Tests/Command/ThrowError.php
new file mode 100644
index 0000000..2c6e22c
--- /dev/null
+++ b/Tests/Command/ThrowError.php
@@ -0,0 +1,22 @@
+<?php
+
+/*
+ * This file is part of the DriftPHP Project
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * Feel free to edit as you please, and have fun.
+ *
+ * @author Marc Morera <yuhu@mmoreram.com>
+ */
+
+declare(strict_types=1);
+
+namespace Drift\CommandBus\Tests\Command;
+
+use Drift\CommandBus\Bus\NonRecoverableCommand;
+
+class ThrowError implements NonRecoverableCommand
+{
+}
diff --git a/Tests/CommandHandler/ThrowErrorHandler.php b/Tests/CommandHandler/ThrowErrorHandler.php
new file mode 100644
index 0000000..a99c6b9
--- /dev/null
+++ b/Tests/CommandHandler/ThrowErrorHandler.php
@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * This file is part of the DriftPHP Project
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * Feel free to edit as you please, and have fun.
+ *
+ * @author Marc Morera <yuhu@mmoreram.com>
+ */
+
+declare(strict_types=1);
+
+namespace Drift\CommandBus\Tests\CommandHandler;
+
+use Drift\CommandBus\Tests\Command\ThrowError;
+
+/**
+ * Class ThrowErrorHandler.
+ */
+class ThrowErrorHandler
+{
+    /**
+     * Handle.
+     */
+    public function handle(ThrowError $throwError)
+    {
+        var_dump('N');
+        (function (string $a) {
+        })(1);
+    }
+}