diff --git a/dom/base/nsGlobalWindow.cpp b/dom/base/nsGlobalWindow.cpp
index 13b5e73a24f3..ab0aa265ebcf 100644
--- a/dom/base/nsGlobalWindow.cpp
+++ b/dom/base/nsGlobalWindow.cpp
@@ -3739,7 +3739,7 @@ void
 nsPIDOMWindow::RefreshMediaElements()
 {
   nsRefPtr<AudioChannelService> service = AudioChannelService::GetOrCreate();
-  service->RefreshAgentsVolume(GetCurrentInnerWindow());
+  service->RefreshAgentsVolume(GetOuterWindow());
 }
 
 // nsISpeechSynthesisGetter