diff --git a/accessible/src/base/nsAccessibleEventData.cpp b/accessible/src/base/nsAccessibleEventData.cpp
index 453a23fa1de..8938d21b2cd 100755
--- a/accessible/src/base/nsAccessibleEventData.cpp
+++ b/accessible/src/base/nsAccessibleEventData.cpp
@@ -49,6 +49,7 @@
 #include "nsIDOMXULMultSelectCntrlEl.h"
 #include "nsXULTreeAccessible.h"
 #endif
+#include "nsIAccessibleText.h"
 #include "nsIContent.h"
 #include "nsIPresShell.h"
 #include "nsPresContext.h"