diff --git a/archinstall/tui/curses_menu.py b/archinstall/tui/curses_menu.py
index d1ab11e188..c8c9950254 100644
--- a/archinstall/tui/curses_menu.py
+++ b/archinstall/tui/curses_menu.py
@@ -371,7 +371,15 @@ def edit(self, default_text: str | None = None) -> None:
 		self._edit_win.erase()
 
 		if default_text is not None and len(default_text) > 0:
-			self._edit_win.addstr(0, 0, default_text)
+			# Get the window width to avoid overflow
+			_, max_x = self._edit_win.getmaxyx()
+			# Truncate text to fit within window width
+			display_text = default_text[:max_x]
+			try:
+				self._edit_win.addstr(0, 0, display_text)
+			except curses.error:
+				# If addstr still fails (edge case), just skip displaying default text
+				pass
 
 		# if this gets initialized multiple times it will be an overlay
 		# and ENTER has to be pressed multiple times to accept