diff --git a/unireader.lua b/unireader.lua
index ed856c74e..e695b29cf 100644
--- a/unireader.lua
+++ b/unireader.lua
@@ -1591,7 +1591,8 @@ function UniReader:screenRotate(orien)
 end
 
 function UniReader:cleanUpTocTitle(title)
-	return title:gsub("\13", "")
+	local s, _ = title:gsub("\13", "")
+	return s
 end
 
 function UniReader:fillToc()