diff --git a/src/Plugin.php b/src/Plugin.php
index 79fd2a15d0c..465343e0b4b 100644
--- a/src/Plugin.php
+++ b/src/Plugin.php
@@ -1116,6 +1116,9 @@ public function unactivate($ID)
     {
 
         if ($this->getFromDB($ID)) {
+            // Load plugin hooks
+            self::load($this->fields['directory'], true);
+
             $deactivate_function = 'plugin_' . $this->fields['directory'] . '_deactivate';
             if (function_exists($deactivate_function)) {
                 $deactivate_function();