diff --git a/tdeio/tdefile/tdefilesharedlg.h b/tdeio/tdefile/tdefilesharedlg.h
index aa818db64..4b817f714 100644
--- a/tdeio/tdefile/tdefilesharedlg.h
+++ b/tdeio/tdefile/tdefilesharedlg.h
@@ -17,8 +17,8 @@
    Boston, MA 02110-1301, USA.
 */
 
-#ifndef tdefilesharedlg_h
-#define tdefilesharedlg_h
+#ifndef TDEFILESHAREDLG_H
+#define TDEFILESHAREDLG_H
 
 #include <kpropertiesdialog.h>
 class TQVBoxLayout;
diff --git a/tdeio/tdefile/tdefiletreebranch.h b/tdeio/tdefile/tdefiletreebranch.h
index a8548b10c..8c9428de3 100644
--- a/tdeio/tdefile/tdefiletreebranch.h
+++ b/tdeio/tdefile/tdefiletreebranch.h
@@ -19,8 +19,8 @@
    Boston, MA 02110-1301, USA.
 */
 
-#ifndef tdefile_tree_branch_h
-#define tdefile_tree_branch_h
+#ifndef TDEFILE_TREE_BRANCH_H
+#define TDEFILE_TREE_BRANCH_H
 
 #include <tqdict.h>
 #include <tqlistview.h>
diff --git a/tdeio/tdefile/tdefiletreeview.h b/tdeio/tdefile/tdefiletreeview.h
index da72709cd..60f756dc2 100644
--- a/tdeio/tdefile/tdefiletreeview.h
+++ b/tdeio/tdefile/tdefiletreeview.h
@@ -18,8 +18,8 @@
    Boston, MA 02110-1301, USA.
 */
 
-#ifndef tdefile_tree_view_h
-#define tdefile_tree_view_h
+#ifndef TDEFILE_TREE_VIEW_H
+#define TDEFILE_TREE_VIEW_H
 
 #include <tqmap.h>
 #include <tqpoint.h>
diff --git a/tdeio/tdefile/tdefiletreeviewitem.h b/tdeio/tdefile/tdefiletreeviewitem.h
index 5ee6e035a..4db564b2f 100644
--- a/tdeio/tdefile/tdefiletreeviewitem.h
+++ b/tdeio/tdefile/tdefiletreeviewitem.h
@@ -17,8 +17,8 @@
    Boston, MA 02110-1301, USA.
 */
 
-#ifndef tdefile_tree_view_item_h
-#define tdefile_tree_view_item_h
+#ifndef TDEFILE_TREE_VIEW_ITEM_H
+#define TDEFILE_TREE_VIEW_ITEM_H
 
 #include <tqptrlist.h>
 #include <tdelistview.h>
diff --git a/tdeio/tdeio/tdefileshare.h b/tdeio/tdeio/tdefileshare.h
index e18749972..b909a8e2f 100644
--- a/tdeio/tdeio/tdefileshare.h
+++ b/tdeio/tdeio/tdefileshare.h
@@ -17,8 +17,8 @@
    Boston, MA 02110-1301, USA.
 */
 
-#ifndef tdefileshare_h
-#define tdefileshare_h
+#ifndef TDEFILESHARE_H
+#define TDEFILESHARE_H
 #include <tqobject.h>
 
 #include <tdelibs_export.h>