diff --git a/.forgejo/workflows/almalinux:8.yaml b/.forgejo/workflows/almalinux:8.yaml
index 639180c..7ca55e6 100644
--- a/.forgejo/workflows/almalinux:8.yaml
+++ b/.forgejo/workflows/almalinux:8.yaml
@@ -7,7 +7,7 @@ jobs:
     - name: cd
       env:
         CD: ${{secrets.cd}}
-      run: ${{vars.cd}} ${{vars.cd_ssh_hosts}}
+      run: ${{vars.cd}} "${{vars.cd_ssh_hosts}}"
 
     - run: cd-list-environment
     - run: cd-clone-branch
diff --git a/.forgejo/workflows/almalinux:9.yaml b/.forgejo/workflows/almalinux:9.yaml
index 6211ddd..b39b2a2 100644
--- a/.forgejo/workflows/almalinux:9.yaml
+++ b/.forgejo/workflows/almalinux:9.yaml
@@ -7,7 +7,7 @@ jobs:
     - name: cd
       env:
         CD: ${{secrets.cd}}
-      run: ${{vars.cd}} ${{vars.cd_ssh_hosts}}
+      run: ${{vars.cd}} "${{vars.cd_ssh_hosts}}"
 
     - run: cd-list-environment
     - run: cd-clone-branch
diff --git a/.forgejo/workflows/alpine:3.18.yaml b/.forgejo/workflows/alpine:3.18.yaml
index 557e548..3fc3fa1 100644
--- a/.forgejo/workflows/alpine:3.18.yaml
+++ b/.forgejo/workflows/alpine:3.18.yaml
@@ -7,7 +7,7 @@ jobs:
     - name: cd
       env:
         CD: ${{secrets.cd}}
-      run: ${{vars.cd}} ${{vars.cd_ssh_hosts}}
+      run: ${{vars.cd}} "${{vars.cd_ssh_hosts}}"
 
     - run: cd-list-environment
     - run: cd-clone-branch
diff --git a/.forgejo/workflows/alpine:3.19.yaml b/.forgejo/workflows/alpine:3.19.yaml
index 41447cc..ad51687 100644
--- a/.forgejo/workflows/alpine:3.19.yaml
+++ b/.forgejo/workflows/alpine:3.19.yaml
@@ -7,7 +7,7 @@ jobs:
     - name: cd
       env:
         CD: ${{secrets.cd}}
-      run: ${{vars.cd}} ${{vars.cd_ssh_hosts}}
+      run: ${{vars.cd}} "${{vars.cd_ssh_hosts}}"
 
     - run: cd-list-environment
     - run: cd-clone-branch
diff --git a/.forgejo/workflows/archlinux:base-20231112.0.191179.yaml b/.forgejo/workflows/archlinux:base-20231112.0.191179.yaml
index 648ff07..5b097d7 100644
--- a/.forgejo/workflows/archlinux:base-20231112.0.191179.yaml
+++ b/.forgejo/workflows/archlinux:base-20231112.0.191179.yaml
@@ -7,7 +7,7 @@ jobs:
     - name: cd
       env:
         CD: ${{secrets.cd}}
-      run: ${{vars.cd}} ${{vars.cd_ssh_hosts}}
+      run: ${{vars.cd}} "${{vars.cd_ssh_hosts}}"
 
     - run: cd-list-environment
     - run: cd-clone-branch
diff --git a/.forgejo/workflows/archlinux:base-20240101.0.204074.yaml b/.forgejo/workflows/archlinux:base-20240101.0.204074.yaml
index 60cfd91..e3bccb8 100644
--- a/.forgejo/workflows/archlinux:base-20240101.0.204074.yaml
+++ b/.forgejo/workflows/archlinux:base-20240101.0.204074.yaml
@@ -7,7 +7,7 @@ jobs:
     - name: cd
       env:
         CD: ${{secrets.cd}}
-      run: ${{vars.cd}} ${{vars.cd_ssh_hosts}}
+      run: ${{vars.cd}} "${{vars.cd_ssh_hosts}}"
 
     - run: cd-list-environment
     - run: cd-clone-branch
diff --git a/.forgejo/workflows/debian:bullseye.yaml b/.forgejo/workflows/debian:bullseye.yaml
index 2d7d210..2f68dbe 100644
--- a/.forgejo/workflows/debian:bullseye.yaml
+++ b/.forgejo/workflows/debian:bullseye.yaml
@@ -7,7 +7,7 @@ jobs:
     - name: cd
       env:
         CD: ${{secrets.cd}}
-      run: ${{vars.cd}} ${{vars.cd_ssh_hosts}}
+      run: ${{vars.cd}} "${{vars.cd_ssh_hosts}}"
 
     - run: cd-list-environment
     - run: cd-clone-branch
diff --git a/.forgejo/workflows/fedora:39.yaml b/.forgejo/workflows/fedora:39.yaml
index 6f45d95..8f79067 100644
--- a/.forgejo/workflows/fedora:39.yaml
+++ b/.forgejo/workflows/fedora:39.yaml
@@ -7,7 +7,7 @@ jobs:
     - name: cd
       env:
         CD: ${{secrets.cd}}
-      run: ${{vars.cd}} ${{vars.cd_ssh_hosts}}
+      run: ${{vars.cd}} "${{vars.cd_ssh_hosts}}"
 
     - run: cd-list-environment
     - run: cd-clone-branch
diff --git a/.forgejo/workflows/fedora:40.yaml b/.forgejo/workflows/fedora:40.yaml
index 61a6941..c1860a4 100644
--- a/.forgejo/workflows/fedora:40.yaml
+++ b/.forgejo/workflows/fedora:40.yaml
@@ -7,7 +7,7 @@ jobs:
     - name: cd
       env:
         CD: ${{secrets.cd}}
-      run: ${{vars.cd}} ${{vars.cd_ssh_hosts}}
+      run: ${{vars.cd}} "${{vars.cd_ssh_hosts}}"
 
     - run: cd-list-environment
     - run: cd-clone-branch
diff --git a/.forgejo/workflows/rockylinux:8.yaml b/.forgejo/workflows/rockylinux:8.yaml
index 736cf28..6749f33 100644
--- a/.forgejo/workflows/rockylinux:8.yaml
+++ b/.forgejo/workflows/rockylinux:8.yaml
@@ -7,7 +7,7 @@ jobs:
     - name: cd
       env:
         CD: ${{secrets.cd}}
-      run: ${{vars.cd}} ${{vars.cd_ssh_hosts}}
+      run: ${{vars.cd}} "${{vars.cd_ssh_hosts}}"
 
     - run: cd-list-environment
     - run: cd-clone-branch
diff --git a/.forgejo/workflows/rockylinux:9.yaml b/.forgejo/workflows/rockylinux:9.yaml
index 13e63a5..f9c39ce 100644
--- a/.forgejo/workflows/rockylinux:9.yaml
+++ b/.forgejo/workflows/rockylinux:9.yaml
@@ -7,7 +7,7 @@ jobs:
     - name: cd
       env:
         CD: ${{secrets.cd}}
-      run: ${{vars.cd}} ${{vars.cd_ssh_hosts}}
+      run: ${{vars.cd}} "${{vars.cd_ssh_hosts}}"
 
     - run: cd-list-environment
     - run: cd-clone-branch
diff --git a/.forgejo/workflows/ubuntu:jammy.yaml b/.forgejo/workflows/ubuntu:jammy.yaml
index 84506a1..163dc1d 100644
--- a/.forgejo/workflows/ubuntu:jammy.yaml
+++ b/.forgejo/workflows/ubuntu:jammy.yaml
@@ -7,7 +7,7 @@ jobs:
     - name: cd
       env:
         CD: ${{secrets.cd}}
-      run: ${{vars.cd}} ${{vars.cd_ssh_hosts}}
+      run: ${{vars.cd}} "${{vars.cd_ssh_hosts}}"
 
     - run: cd-list-environment
     - run: cd-clone-branch
diff --git a/.forgejo/workflows/ubuntu:noble.yaml b/.forgejo/workflows/ubuntu:noble.yaml
index 91c710f..0dfeb56 100644
--- a/.forgejo/workflows/ubuntu:noble.yaml
+++ b/.forgejo/workflows/ubuntu:noble.yaml
@@ -7,7 +7,7 @@ jobs:
     - name: cd
       env:
         CD: ${{secrets.cd}}
-      run: ${{vars.cd}} ${{vars.cd_ssh_hosts}}
+      run: ${{vars.cd}} "${{vars.cd_ssh_hosts}}"
 
     - run: cd-list-environment
     - run: cd-clone-branch
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8158f14..3eaca49 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,7 @@
 image: debian:bookworm
 job:
   script:
-  - source ${CD}
+  - source ${CD} ${CD_SSH_HOSTS}
 
   - cd-list-environment
   - cd-clone-branch
diff --git a/cd.sh b/cd.sh
index f1f1ad3..84e7dbc 100644
--- a/cd.sh
+++ b/cd.sh
@@ -5,8 +5,9 @@ CD_DEFAULT_DNS="\
 9.9.9.9 \
 "
 
+CD_PYTHON_MODULE="cd"
 CD_PYTHON_MODULES="\
-cd \
+${CD_PYTHON_MODULE} \
 rwx \
 "
 
@@ -35,8 +36,8 @@ cd_main () {
     # TODO move to Python
     cd_install_ssh
     cd_clean_packages_cache
-    cd_install_python_modules ${CD_PYTHON_MODULES}
-    cd_execute_python_module ${CD_PYTHON_MODULES}
+    cd_install_python_modules
+    cd_execute_python_module "${@}"
 }
 
 # steps
@@ -540,7 +541,7 @@ local url
     cd_step "Install Python modules"
     root="$(mktemp --directory)" || exit
     echo "${root}"
-    for repository in "${@}" ; do
+    for repository in ${CD_PYTHON_MODULES} ; do
         cd_split
         url="${CD_PROJECTS_URL}/${repository}"
         echo -n "\
@@ -571,9 +572,9 @@ local self
     echo -n "\
 ${self}
 ↓
-${1}
+${CD_PYTHON_MODULE}
 "
-    "${CD_PYTHON_ALIAS}" -m "${1}" "${CD_STEP}" "${self}"
+    "${CD_PYTHON_ALIAS}" -m "${CD_PYTHON_MODULE}" "${@}"
 }
 
 # functions
@@ -719,4 +720,4 @@ CD_PM_PACMAN="pacman"
 CD_SPLIT="─╌╌┄┄┈┈"
 
 # run
-cd_main "${@}"
+cd_main
diff --git a/cd/__init__.py b/cd/__init__.py
index b2cc47a..28b8c3b 100644
--- a/cd/__init__.py
+++ b/cd/__init__.py
@@ -86,8 +86,8 @@ def install_commands(path):
         os.symlink(path, os.path.join(user, f'{COMMANDS_PREFIX}{command}'))
 
 
-def set_ssh():
-    ssh_hosts = projects.environment.get('CD_SSH_HOSTS', None)
+def set_ssh(*arguments):
+    ssh_hosts = arguments[0]
     ssh_key = projects.environment.get('CD', None)
     ssh_type = projects.environment.get('CD_SSH_TYPE', 'ed25519')
     #
diff --git a/cd/__main__.py b/cd/__main__.py
index ba1ca17..d67667f 100755
--- a/cd/__main__.py
+++ b/cd/__main__.py
@@ -10,7 +10,7 @@ if __name__ == '__main__':
     command, *arguments = sys.argv
     command = os.path.basename(command)
     if command == '__main__.py':
-        cd.set_ssh()
+        cd.set_ssh(*arguments)
         cd.install_commands(__file__)
     else:
         command = command.replace('-', '_')