diff --git a/editor/base/TypeInState.h b/editor/base/TypeInState.h
index 95411a664a89..4e5d7a3c7f6c 100644
--- a/editor/base/TypeInState.h
+++ b/editor/base/TypeInState.h
@@ -21,7 +21,7 @@
 
 #include "nsIDOMSelectionListener.h"
 #include "nsColor.h"
-#include "nscoord.h"
+#include "nsCoord.h"
 
 class TypeInState : public nsIDOMSelectionListener
 {
diff --git a/editor/libeditor/html/TypeInState.h b/editor/libeditor/html/TypeInState.h
index 95411a664a89..4e5d7a3c7f6c 100644
--- a/editor/libeditor/html/TypeInState.h
+++ b/editor/libeditor/html/TypeInState.h
@@ -21,7 +21,7 @@
 
 #include "nsIDOMSelectionListener.h"
 #include "nsColor.h"
-#include "nscoord.h"
+#include "nsCoord.h"
 
 class TypeInState : public nsIDOMSelectionListener
 {