diff --git a/mozilla/embedding/lite/nsEmbedChromeRegistry.cpp b/mozilla/embedding/lite/nsEmbedChromeRegistry.cpp
index c23d1e06edb..5efbaad052f 100644
--- a/mozilla/embedding/lite/nsEmbedChromeRegistry.cpp
+++ b/mozilla/embedding/lite/nsEmbedChromeRegistry.cpp
@@ -44,6 +44,7 @@
 #include "nsAppDirectoryServiceDefs.h"
 #include "nsIProperties.h"
 #include "nsILocalFile.h"
+#include "nsIURI.h"
 
 #define CHROME_TYPE_CONTENT 0
 #define CHROME_TYPE_LOCALE 1