diff --git a/data/computercraft/lua/rom/apis/lgui.lua b/data/computercraft/lua/rom/apis/lgui.lua
index 3a3d84b..80538ff 100644
--- a/data/computercraft/lua/rom/apis/lgui.lua
+++ b/data/computercraft/lua/rom/apis/lgui.lua
@@ -320,9 +320,15 @@ function TextField:draw()
   -- Draw cursor
   if self.focused and self.enabled then
     term.setCursorPos(self.x + self.cursorPosDisplay, self.y)
-    term.blink(true)
-  else
-    term.blink(false)
+    -- CC Tweaked doesn't support term.blink, so we'll invert the colors instead
+    local currentFg = term.getTextColor()
+    local currentBg = term.getBackgroundColor()
+    term.setTextColor(currentBg)
+    term.setBackgroundColor(currentFg)
+    term.write(" ")
+    term.setTextColor(currentFg)
+    term.setBackgroundColor(currentBg)
+    term.setCursorPos(self.x + self.cursorPosDisplay, self.y)
   end
 
   term.setTextColor(oldFg)
diff --git a/installer.lua b/installer.lua
index 0dfe950..24c837f 100644
--- a/installer.lua
+++ b/installer.lua
@@ -1,5 +1,5 @@
 -- LeonOS installer
-local INSTALLER_VERSION = "0.3.8 Beta 3 Alpha 2"
+local INSTALLER_VERSION = "0.3.8 Beta 3 Alpha 3"
 local DEFAULT_ROM_DIR = "/leonos"
 
 print("Start loading LeonOS installer ("..INSTALLER_VERSION..")...")