diff --git a/mozilla/content/events/src/nsEventStateManager.h b/mozilla/content/events/src/nsEventStateManager.h
index 470f63741b8..293f53a041f 100644
--- a/mozilla/content/events/src/nsEventStateManager.h
+++ b/mozilla/content/events/src/nsEventStateManager.h
@@ -29,7 +29,7 @@
 #include "nsIPref.h"
 #include "nsIObserver.h"
 #include "nsWeakReference.h"
-#include "nsHashTable.h"
+#include "nsHashtable.h"
 
 class nsIDocument;
 class nsIScrollableView;
diff --git a/mozilla/layout/events/src/nsEventStateManager.h b/mozilla/layout/events/src/nsEventStateManager.h
index 470f63741b8..293f53a041f 100644
--- a/mozilla/layout/events/src/nsEventStateManager.h
+++ b/mozilla/layout/events/src/nsEventStateManager.h
@@ -29,7 +29,7 @@
 #include "nsIPref.h"
 #include "nsIObserver.h"
 #include "nsWeakReference.h"
-#include "nsHashTable.h"
+#include "nsHashtable.h"
 
 class nsIDocument;
 class nsIScrollableView;