diff --git a/gfx/text.lua b/gfx/text.lua
index a37cd69..c99e200 100644
--- a/gfx/text.lua
+++ b/gfx/text.lua
@@ -9,8 +9,15 @@ function Text:new(o)
 end
 
 function Text:setText(text)
-  self:setDirty()
-  self.text = text
+  if self.text ~= text then
+    self:setDirty()
+    
+    local needReload = #self.text ~= #text
+    self.text = text
+    if needReload then
+        self:_reload()
+    end
+  end
 end
 
 function Text:draw()