diff --git a/dom/base/nsDOMClassInfo.cpp b/dom/base/nsDOMClassInfo.cpp
index a7ddf188f88c..60c418950a96 100644
--- a/dom/base/nsDOMClassInfo.cpp
+++ b/dom/base/nsDOMClassInfo.cpp
@@ -309,7 +309,9 @@
 #include "nsIDOMHTMLSourceElement.h"
 #include "nsIDOMHTMLVideoElement.h"
 #include "nsIDOMHTMLAudioElement.h"
+#if defined (MOZ_MEDIA)
 #include "nsIDOMMediaStream.h"
+#endif
 #include "nsIDOMProgressEvent.h"
 #include "nsIDOMCSS2Properties.h"
 #include "nsIDOMCSSCharsetRule.h"