diff --git a/includes/base.inc b/includes/base.inc
index c83a2dfe5..ac7e13c1c 100644
--- a/includes/base.inc
+++ b/includes/base.inc
@@ -492,6 +492,16 @@ abstract class MigrationBase {
     if (isset($this->arguments['disable_hooks']) &&
       is_array($this->arguments['disable_hooks'])) {
       $this->disableHooks = $this->arguments['disable_hooks'];
+
+      // If hooks to disable are given both for this specific migration and its
+      // group, we need to merge the group settings as they were ignored when
+      // adding the group arguments above using the += operator.
+      if (isset($arguments['disable_hooks']) &&
+          isset($group_arguments['disable_hooks']) &&
+          is_array($group_arguments['disable_hooks'])) {
+        $this->disableHooks = array_merge_recursive($this->disableHooks,
+          $group_arguments['disable_hooks']);
+      }
     }
   }