diff --git a/docs/changelog.rst b/docs/changelog.rst
index fe8eb9ccb..b8f50e8e2 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -103,6 +103,8 @@ Detailed list of changes
 
 - macOS: Fix mouse cursor shape not always being reset to text cursor when mouse re-enters kitty (:iss:`8155`)
 
+- clone-in-kitty: Fix :envvar:`KITTY_WINDOW_ID` being cloned and thus having incorrect value (:iss:`8161`)
+
 
 0.38.0 [2024-12-15]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/kitty/launch.py b/kitty/launch.py
index 9dd7960b2..eba8898c5 100644
--- a/kitty/launch.py
+++ b/kitty/launch.py
@@ -912,6 +912,8 @@ class CloneCmd:
                     # skip SSH environment variables
                     'SSH_CLIENT', 'SSH_CONNECTION', 'SSH_ORIGINAL_COMMAND', 'SSH_TTY', 'SSH2_TTY',
                     'SSH_TUNNEL', 'SSH_USER_AUTH', 'SSH_AUTH_SOCK',
+                    # Dont clone KITTY_WINDOW_ID
+                    'KITTY_WINDOW_ID',
                 } and not k.startswith((
                     # conda state env vars for multi-level virtual environments
                     'CONDA_PREFIX_',