diff --git a/frontend/device/devicelistener.lua b/frontend/device/devicelistener.lua
index 0e8d7b1e0..e4325c7b2 100644
--- a/frontend/device/devicelistener.lua
+++ b/frontend/device/devicelistener.lua
@@ -227,8 +227,7 @@ if Device:hasFrontlight() then
     end
 
     function DeviceListener:onShowFlDialog()
-        local FrontLightWidget = require("ui/widget/frontlightwidget")
-        UIManager:show(FrontLightWidget:new{})
+        Device:showLightDialog()
     end
 
 end
diff --git a/frontend/device/generic/device.lua b/frontend/device/generic/device.lua
index 8320a8354..346788bc4 100644
--- a/frontend/device/generic/device.lua
+++ b/frontend/device/generic/device.lua
@@ -296,6 +296,12 @@ function Device:onPowerEvent(ev)
     end
 end
 
+function Device:showLightDialog()
+    local FrontLightWidget = require("ui/widget/frontlightwidget")
+    local UIManager = require("ui/uimanager")
+    UIManager:show(FrontLightWidget:new{})
+end
+
 function Device:info()
     return self.model
 end