diff --git a/src/kits/interface/BTextView/UndoBuffer.cpp b/src/kits/interface/BTextView/UndoBuffer.cpp
index 1d91e001fa..1dfa8a85aa 100644
--- a/src/kits/interface/BTextView/UndoBuffer.cpp
+++ b/src/kits/interface/BTextView/UndoBuffer.cpp
@@ -34,7 +34,7 @@
 #include <Clipboard.h>
 
 // Local Includes --------------------------------------------------------------
-#include "MoreUTF8.h"
+#include "moreUTF8.h"
 #include "UndoBuffer.h"