diff --git a/js/src/vm/CharacterEncoding.cpp b/js/src/vm/CharacterEncoding.cpp
index 72e3b5a53973..57f6d4586aaf 100644
--- a/js/src/vm/CharacterEncoding.cpp
+++ b/js/src/vm/CharacterEncoding.cpp
@@ -9,6 +9,9 @@
 
 #include "js/CharacterEncoding.h"
 
+#include "jscntxtinlines.h"
+#include "jsscriptinlines.h"
+
 using namespace JS;
 
 Latin1CharsZ