1 files changed, 9 insertions, 1 deletions
diff --git a/components/script/script_thread.rs b/components/script/script_thread.rs
index 931b0d230ef..0f756caccca 100644
--- a/components/script/script_thread.rs
+++ b/components/script/script_thread.rs
@@ -3200,8 +3200,16 @@ impl ScriptThread {
     }
 
     fn perform_a_microtask_checkpoint(&self) {
+        let globals = self.documents.borrow()
+                            .iter()
+                            .map(|(_id, document)| document.global())
+                            .collect();
+
         self.microtask_queue
-            .checkpoint(|id| self.documents.borrow().find_global(id))
+            .checkpoint(
+                |id| self.documents.borrow().find_global(id),
+                globals
+            )
     }
 }