diff --git a/defaults.lua b/defaults.lua
index 991713d67..ad8112228 100644
--- a/defaults.lua
+++ b/defaults.lua
@@ -43,6 +43,7 @@ DSHOWHIDDENFILES = false
 -- y: y coordinate of top left corner in proportion of screen height
 -- w: width of tap zone in proportion of screen width
 -- h: height of tap zone in proportion of screen height
+DTAP_ZONE_MENU = {x = 1/8, y = 0, w = 3/4, h = 1/4}
 DTAP_ZONE_CONFIG = {x = 0, y = 11/12, w = 1, h = 1/12}
 DTAP_ZONE_FORWARD = {x = 1/4, y = 0, w = 3/4, h = 1}
 DTAP_ZONE_BACKWARD = {x = 0, y = 0, w = 1/4, h = 1}
diff --git a/frontend/ui/reader/readermenu.lua b/frontend/ui/reader/readermenu.lua
index 70f0391d1..ee789b226 100644
--- a/frontend/ui/reader/readermenu.lua
+++ b/frontend/ui/reader/readermenu.lua
@@ -52,10 +52,10 @@ function ReaderMenu:initGesListener()
 			GestureRange:new{
 				ges = "tap",
 				range = Geom:new{
-					x = Screen:getWidth()/8,
-					y = 0,
-					w = Screen:getWidth()*3/4,
-					h = Screen:getHeight()/4,
+					x = Screen:getWidth()*DTAP_ZONE_MENU.x,
+					y = Screen:getHeight()*DTAP_ZONE_MENU.y,
+					w = Screen:getWidth()*DTAP_ZONE_MENU.w,
+					h = Screen:getHeight()*DTAP_ZONE_MENU.h
 				}
 			}
 		},