diff --git a/desktop_env/server/main.py b/desktop_env/server/main.py
index f0d8a6d..7ba8800 100644
--- a/desktop_env/server/main.py
+++ b/desktop_env/server/main.py
@@ -206,7 +206,7 @@ def get_terminal_output():
                 # 1. the terminal window (frame of application is st:active) is open and active
                 # 2. the terminal tab (terminal status is st:focused) is focused
                 xpath = '//application[@name="gnome-terminal-server"]/frame[@st:active="true"]//terminal[@st:focused="true"]'
-                terminals: List[_Element] = desktop_xml.xpath(xpath, namespaces=_accessibility_ns_map)
+                terminals: List[_Element] = desktop_xml.xpath(xpath, namespaces=_accessibility_ns_map_ubuntu)
                 output = terminals[0].text.rstrip() if len(terminals) == 1 else None
         else:  # windows and macos platform is not implemented currently
             # raise NotImplementedError