diff --git a/frontend/ui/widget/inputtext.lua b/frontend/ui/widget/inputtext.lua
index 3a702e804..d4755382c 100644
--- a/frontend/ui/widget/inputtext.lua
+++ b/frontend/ui/widget/inputtext.lua
@@ -177,6 +177,7 @@ function InputText:delChar()
 end
 
 function InputText:clear()
+    self.charpos = nil
     self:initTextBox("")
     UIManager:setDirty(self.parent, function()
         return "ui", self[1][1].dimen