diff --git a/doc/Addons.md b/doc/Addons.md
index 50febf7214..bf139aea7f 100644
--- a/doc/Addons.md
+++ b/doc/Addons.md
@@ -693,6 +693,9 @@ Here is a complete list of all hook callbacks with file locations (as of 24-Sep-
 
     Addon::callHooks('logged_in', $a->user);
 
+### src/Core/Hook.php
+
+    self::callSingle(self::getApp(), 'hook_fork', $fork_hook, $hookdata);
 
 ### src/Core/Worker.php
 
diff --git a/src/Core/Hook.php b/src/Core/Hook.php
index a0200a7db3..2d6c945067 100644
--- a/src/Core/Hook.php
+++ b/src/Core/Hook.php
@@ -136,6 +136,22 @@ class Hook extends BaseObject
 	{
 		if (array_key_exists($name, self::$hooks)) {
 			foreach (self::$hooks[$name] as $hook) {
+				// Call a hook to check if this hook call needs to be forked
+				if (array_key_exists('hook_fork', self::$hooks)) {
+					$hookdata = ['name' => $name, 'data' => $data, 'execute' => true];
+
+					foreach (self::$hooks['hook_fork'] as $fork_hook) {
+						if ($hook[0] != $fork_hook[0]) {
+							continue;
+						}
+						self::callSingle(self::getApp(), 'hook_fork', $fork_hook, $hookdata);
+					}
+
+					if (!$hookdata['execute']) {
+						continue;
+					}
+				}
+
 				Worker::add($priority, 'ForkHook', $name, $hook, $data);
 			}
 		}