5 files changed, 11 insertions, 10 deletions
diff --git a/gui/win32/dialogs.h b/gui/win32/dialogs.h
index ba611c97e3..48433d2c1b 100644
--- a/gui/win32/dialogs.h
+++ b/gui/win32/dialogs.h
@@ -21,8 +21,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef _GUI_DIALOGS_H
-#define _GUI_DIALOGS_H
+#ifndef GUI_DIALOGS_H
+#define GUI_DIALOGS_H
 
 #define TBS_TOOLTIPS   0x0100
 #define WM_SYSTRAY     (WM_USER+1)
diff --git a/gui/win32/gui.h b/gui/win32/gui.h
index f6fb98059c..4c98815caf 100644
--- a/gui/win32/gui.h
+++ b/gui/win32/gui.h
@@ -21,8 +21,9 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef _GUI_GUI_H
-#define _GUI_GUI_H
+#ifndef GUI_GUI_H
+#define GUI_GUI_H
+
 #include "config.h"
 #include "mplayer.h"
 #include "playtree.h"
diff --git a/gui/win32/playlist.h b/gui/win32/playlist.h
index a534a7f77a..09d10a3bb4 100644
--- a/gui/win32/playlist.h
+++ b/gui/win32/playlist.h
@@ -21,8 +21,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef _GUI_PLAYLIST_H
-#define _GUI_PLAYLIST_H
+#ifndef GUI_PLAYLIST_H
+#define GUI_PLAYLIST_H
 
 typedef struct
 {
diff --git a/gui/win32/skinload.h b/gui/win32/skinload.h
index 2ac0cd6fd8..33b59ef996 100644
--- a/gui/win32/skinload.h
+++ b/gui/win32/skinload.h
@@ -21,8 +21,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef _GUI_SKINLOAD_H
-#define _GUI_SKINLOAD_H
+#ifndef GUI_SKINLOAD_H
+#define GUI_SKINLOAD_H
 
 typedef struct
 {
diff --git a/gui/win32/wincfg.h b/gui/win32/wincfg.h
index bddb41988c..6d00c2ac8a 100644
--- a/gui/win32/wincfg.h
+++ b/gui/win32/wincfg.h
@@ -21,8 +21,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef _GUI_WINCFG_H
-#define _GUI_WINCFG_H
+#ifndef GUI_WINCFG_H
+#define GUI_WINCFG_H
 
 extern char *skinName;
 extern int sub_window;