diff --git a/frontend/ui/reader/readerdictionary.lua b/frontend/ui/reader/readerdictionary.lua
index f5d9f9954..391e71995 100644
--- a/frontend/ui/reader/readerdictionary.lua
+++ b/frontend/ui/reader/readerdictionary.lua
@@ -38,6 +38,7 @@ function ReaderDictionary:showDict(results)
 			dialog = self.dialog,
 			results = results,
 			dictionary = self.default_dictionary,
+			width = Screen:getWidth() - scaleByDPI(120),
 		})
 	end
 end
diff --git a/frontend/ui/widget/dict.lua b/frontend/ui/widget/dict.lua
index 5551bbd73..c939177bb 100644
--- a/frontend/ui/widget/dict.lua
+++ b/frontend/ui/widget/dict.lua
@@ -13,7 +13,7 @@ DictQuickLookup = InputContainer:new{
 	title_face = Font:getFace("tfont", 20),
 	word_face = Font:getFace("tfont", 18),
 	content_face = Font:getFace("cfont", 18),
-	width = Screen:getWidth() - scaleByDPI(100),
+	width = nil,
 	
 	title_padding = scaleByDPI(5),
 	title_margin = scaleByDPI(2),
@@ -126,8 +126,8 @@ function DictQuickLookup:update()
 	}
 	
 	self.dict_frame = FrameContainer:new{
-		radius = scaleByDPI(8),
-		bordersize = scaleByDPI(3),
+		radius = 8,
+		bordersize = 3,
 		padding = 0,
 		margin = 0,
 		background = 0,