diff --git a/accessible/windows/ia2/ia2AccessibleText.h b/accessible/windows/ia2/ia2AccessibleText.h
index 8251c2c96a8d..e621329cb22e 100644
--- a/accessible/windows/ia2/ia2AccessibleText.h
+++ b/accessible/windows/ia2/ia2AccessibleText.h
@@ -8,7 +8,7 @@
 #ifndef _ACCESSIBLE_TEXT_H
 #define _ACCESSIBLE_TEXT_H
 
-#include "nsISupports.h"
+#include "nsIAccessibleText.h"
 
 #include "AccessibleText.h"