diff --git a/src/Console/ConsoleOptionParser.php b/src/Console/ConsoleOptionParser.php
index 454f4be8870..f83f5a979ae 100644
--- a/src/Console/ConsoleOptionParser.php
+++ b/src/Console/ConsoleOptionParser.php
@@ -580,6 +580,9 @@ public function addSubcommand($name, array $options = [])
                 'parser' => null
             ];
             $options += $defaults;
+
+            $options = $this->_mergeSubcommandHelpToParserDescription($options);
+
             $command = new ConsoleInputSubcommand($options);
         }
         $this->_subcommands[$name] = $command;
@@ -588,6 +591,39 @@ public function addSubcommand($name, array $options = [])
         return $this;
     }
 
+    /**
+     * @param array $options Options
+     * @return array
+     */
+    protected function _mergeSubcommandHelpToParserDescription($options)
+    {
+        if (!$options['help']) {
+            return $options;
+        }
+
+        if ($options['parser'] && is_object($options['parser'])) {
+            if ($options['parser']->getDescription() !== null) {
+                return $options;
+            }
+
+            $options['parser']->setDescription($options['help']);
+
+            return $options;
+        }
+
+        if ($options['parser'] && is_array($options['parser'])) {
+            if (isset($options['parser']['description'])) {
+                return $options;
+            }
+        }
+
+        $options['parser'] = [
+            'description' => $options['help']
+        ] + (array)$options['parser'];
+
+        return $options;
+    }
+
     /**
      * Remove a subcommand from the option parser.
      *
diff --git a/tests/TestCase/Console/ConsoleOptionParserTest.php b/tests/TestCase/Console/ConsoleOptionParserTest.php
index e076b279b20..9df72231207 100644
--- a/tests/TestCase/Console/ConsoleOptionParserTest.php
+++ b/tests/TestCase/Console/ConsoleOptionParserTest.php
@@ -603,6 +603,8 @@ public function testHelpSubcommandHelp()
 
         $result = $parser->help('method');
         $expected = <<<TEXT
+This is another command
+
 <info>Usage:</info>
 cake mycommand method [--connection] [-h] [-0]
 
@@ -612,6 +614,48 @@ public function testHelpSubcommandHelp()
 --help, -h        Display this help.
 --zero, -0        Zero.
 
+TEXT;
+        $this->assertTextEquals($expected, $result, 'Help is not correct.');
+    }
+
+    /**
+     * test that help() with a command param shows the help for a subcommand
+     *
+     * @return void
+     */
+    public function testHelpSubcommandHelpArray()
+    {
+        $subParser = [
+            'options' => [
+                'foo' => [
+                    'short' => 'f',
+                    'help' => 'Foo.',
+                    'boolean' => true,
+                ]
+            ],
+        ];
+
+        $parser = new ConsoleOptionParser('mycommand', false);
+        $parser->addSubcommand('method', [
+            'help' => 'This is a subcommand',
+            'parser' => $subParser
+        ])
+            ->addOption('test', ['help' => 'A test option.']);
+
+        $result = $parser->help('method');
+        $expected = <<<TEXT
+This is a subcommand
+
+<info>Usage:</info>
+cake mycommand method [-f] [-h] [-q] [-v]
+
+<info>Options:</info>
+
+--foo, -f      Foo.
+--help, -h     Display this help.
+--quiet, -q    Enable quiet output.
+--verbose, -v  Enable verbose output.
+
 TEXT;
         $this->assertTextEquals($expected, $result, 'Help is not correct.');
     }