diff --git a/asciiquarium_ng.py b/asciiquarium_ng.py
index 75a37a4..7391e7d 100755
--- a/asciiquarium_ng.py
+++ b/asciiquarium_ng.py
@@ -27,8 +27,6 @@ HIDE_CUR = "\033[?25l"
 SHOW_CUR = "\033[?25h"
 ALT_ON   = "\033[?1049h"
 ALT_OFF  = "\033[?1049l"
-WRAP_OFF = "\033[?7l"   # disable auto-wrap (prevents scrollback on last-col write)
-WRAP_ON  = "\033[?7h"   # re-enable auto-wrap
 
 def _fg(r, g, b): return f"\033[38;2;{r};{g};{b}m"
 def _go(row, col): return f"\033[{row+1};{col+1}H"
@@ -123,12 +121,17 @@ class Canvas:
     def render(self) -> str:
         # \033[H homes the cursor; every cell is rewritten below so \033[2J is
         # not needed and would push content into the scrollback on every frame.
+        # The very last cell (bottom-right corner) is intentionally skipped:
+        # writing to it would trigger auto-wrap and scroll the terminal.
+        last_row = self.rows - 1
+        last_col = self.cols - 1
         parts = ["\033[H", RESET]
         sentinel = object()
         last_ck: object = sentinel
         for r in range(self.rows):
             parts.append(_go(r, 0))
-            for c in range(self.cols):
+            col_limit = last_col if r == last_row else self.cols
+            for c in range(col_limit):
                 ck = self._ck[r][c]
                 if ck is not last_ck:
                     parts.append(RESET if ck is None else _esc(ck))
@@ -1565,7 +1568,7 @@ def main():
     signal.signal(signal.SIGWINCH, on_resize)
 
     fd = sys.stdout.fileno()
-    os.write(fd, (ALT_ON + HIDE_CUR + WRAP_OFF + "\033[2J\033[H").encode())
+    os.write(fd, (ALT_ON + HIDE_CUR + "\033[2J\033[H").encode())
 
     try:
         TICK = 0.1 / cfg.speed
@@ -1603,7 +1606,7 @@ def main():
         pass
     finally:
         inp.restore()
-        os.write(fd, (SHOW_CUR + WRAP_ON + ALT_OFF + RESET).encode())
+        os.write(fd, (SHOW_CUR + ALT_OFF + RESET).encode())
 
 
 if __name__ == '__main__':