diff --git a/terminal_ui.py b/terminal_ui.py
index 891dd72..78153c7 100644
--- a/terminal_ui.py
+++ b/terminal_ui.py
@@ -141,7 +141,10 @@ class TerminalUI:
             # Raw mode
             fd = sys.stdin.fileno()
             old = termios.tcgetattr(fd)
-            termios.tcsetattr(fd, termios.TCSADRAIN, old | termios.ICANON | termios.ECHO)
+            # nuovo = disabilita ICANON e ECHO
+            new = list(old)
+            new[3] = new[3] & ~(termios.ICANON | termios.ECHO)
+            termios.tcsetattr(fd, termios.TCSADRAIN, new)
             
             self._draw()