diff --git a/defaults.lua b/defaults.lua
index 2d862bf11..228423fbe 100644
--- a/defaults.lua
+++ b/defaults.lua
@@ -166,7 +166,7 @@ SEARCH_PATH = true
 -- Light parameter for Kobo
 KOBO_LIGHT_OFF_ON_SUSPEND = false
 KOBO_LIGHT_ON_START = -1          -- -1 or 0-100. -1 leaves light as it is, other sets light on start/wake up
-KOBO_SCREEN_SAVER = false         -- image or directory with pictures or false
+KOBO_SCREEN_SAVER = "-"           -- image or directory with pictures or "-"
 
 -- ####################################################################
 -- following features are not supported right now