diff --git a/kanji_learner.lua b/kanji_learner.lua
index 6f25459..f78d67d 100644
--- a/kanji_learner.lua
+++ b/kanji_learner.lua
@@ -15,6 +15,8 @@ end
 function GetUnrepeatedReadingON(lAvoid)
 	lKanji = KanjiData[math.random(#KanjiData)]
 	
+	if #lKanji.On == 0 then GetUnrepeatedKanji(lAvoid) end
+	
 	for j=1, #lKanji.On do
 		for i=1, #lAvoid do
 			if lKanji.On[j] == lAvoid[i] then
@@ -29,7 +31,7 @@ end
 function GetUnrepeatedReadingKUN(lAvoid)
 	lKanji = KanjiData[math.random(#KanjiData)]
 
-	if lKanji.Kun == nil then GetUnrepeatedKanji(lAvoid) end
+	if #lKanji.Kun == 0 then GetUnrepeatedKanji(lAvoid) end
 
 	for j=1, #lKanji.Kun do
 		for i=1, #lAvoid do
@@ -218,7 +220,7 @@ while 1 do
 	os.execute("clear")
 
 	ShowProgress()
-	Ask()
+	Ask(math.random(2)+2)
 	response =	io.read()
 	
 	Check(response)