diff --git a/agent-node/src/agent_node/skills/terminal_backends.py b/agent-node/src/agent_node/skills/terminal_backends.py
index f2fc193..90a468a 100644
--- a/agent-node/src/agent_node/skills/terminal_backends.py
+++ b/agent-node/src/agent_node/skills/terminal_backends.py
@@ -62,16 +62,6 @@
             
         master_fd, slave_fd = os.openpty()
         
-        def set_ctty():
-            os.setsid()
-            import fcntl
-            import termios
-            try:
-                fcntl.ioctl(slave_fd, termios.TIOCSCTTY, 0)
-            except:
-                pass
-            os.close(master_fd)
-
         self.process = subprocess.Popen(
             [shell_path],
             stdin=slave_fd,
@@ -79,7 +69,7 @@
             stderr=slave_fd,
             cwd=cwd,
             env=env,
-            preexec_fn=set_ctty,
+            process_group=0,
             close_fds=True
         )