diff --git a/defaults.lua b/defaults.lua
index c78a6492b..f49ada314 100644
--- a/defaults.lua
+++ b/defaults.lua
@@ -38,7 +38,7 @@ DKOPTREADER_CONFIG_DETECT_INDENT = 1	-- 1 = enable, 0 = disable
 DKOPTREADER_CONFIG_DEFECT_SIZE = 1.0	-- range from 0.0 to 3.0
 DKOPTREADER_CONFIG_PAGE_MARGIN = 0.10	-- range from 0.0 to 1.0
 DKOPTREADER_CONFIG_LINE_SPACING = 1.2	-- range from 0.5 to 2.0
-DKOPTREADER_CONFIG_RENDER_QUALITY = 0.8	-- range from 0.5 to 1.0
+DKOPTREADER_CONFIG_RENDER_QUALITY = 1.0	-- range from 0.5 to 2.0
 DKOPTREADER_CONFIG_AUTO_STRAIGHTEN = 0	-- range from 0 to 10
 DKOPTREADER_CONFIG_JUSTIFICATION = -1	-- -1 = auto, 0 = left, 1 = center, 2 = right, 3 = full
 DKOPTREADER_CONFIG_MAX_COLUMNS = 2		-- range from 1 to 4