diff --git a/harbour/ChangeLog b/harbour/ChangeLog
index 34893b7863..f9fcab2f46 100644
--- a/harbour/ChangeLog
+++ b/harbour/ChangeLog
@@ -1,3 +1,7 @@
+2001-07-21 09:20 GMT -3 Luiz Rafael Culik <culik@sl.conex.net>
+   *source/rtl/checkbox.prg
+      *lowercased the include file names
+
 2001-07-20 20:00 GMT -3 Luiz Rafael Culik <culik@sl.conex.net>
    +source/rtl/checkbox.prg
       *CheckBox Class Compatible with Ca-Clipper 5.3
diff --git a/harbour/source/rtl/checkbox.prg b/harbour/source/rtl/checkbox.prg
index bbccfa139f..2a1f8ab8f7 100644
--- a/harbour/source/rtl/checkbox.prg
+++ b/harbour/source/rtl/checkbox.prg
@@ -51,8 +51,8 @@
  *
  */
 
-#include "Common.ch"
-#include "hbSetup.ch"
+#include "common.ch"
+#include "hbsetup.ch"
 #ifdef HB_COMPAT_C53
 
 FUNCTION CHECKBOX(nRow,nCol,cCaption)