diff -Nur fvwm-2.6.3-original/fvwm/menuitem.c fvwm-2.6.3/fvwm/menuitem.c
--- fvwm-2.6.3-original/fvwm/menuitem.c	2008-03-09 17:15:50.000000000 +0100
+++ fvwm-2.6.3/fvwm/menuitem.c	2011-12-26 17:19:44.000000000 +0100
@@ -85,7 +85,6 @@
 	Window w, GC TopGC, GC BottomGC, int x1, int y, int x2)
 {
 	XDrawLine(dpy, w, TopGC   , x1,   y,   x2,   y);
-	XDrawLine(dpy, w, BottomGC, x1-1, y+1, x2+1, y+1);
 
 	return;
 }
diff -Nur fvwm-2.6.3-original/libs/defaults.h fvwm-2.6.3/libs/defaults.h
--- fvwm-2.6.3-original/libs/defaults.h	2011-08-15 18:25:40.000000000 +0200
+++ fvwm-2.6.3/libs/defaults.h	2011-12-26 17:19:44.000000000 +0100
@@ -69,8 +69,8 @@
 #define MENU_UNDERLINE_HEIGHT  (MENU_UNDERLINE_THICKNESS + MENU_UNDERLINE_GAP)
 /*   menu separator parameters */
 #define MENU_SEPARATOR_SHORT_X_OFFSET      5 /* pixels */
-#define MENU_SEPARATOR_Y_OFFSET            2 /* pixels */
-#define MENU_SEPARATOR_HEIGHT              2 /* pixels */
+#define MENU_SEPARATOR_Y_OFFSET            1 /* pixels */
+#define MENU_SEPARATOR_HEIGHT              1 /* pixels */
 #define MENU_SEPARATOR_TOTAL_HEIGHT    \
           (MENU_SEPARATOR_HEIGHT + MENU_SEPARATOR_Y_OFFSET)
 /*   menu tear off bar parameters */