diff --git a/README.md b/README.md
index 74de03d..7c38eb6 100644
--- a/README.md
+++ b/README.md
@@ -251,6 +251,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **10.12.21:** - Update deprecated connectionToken arg.
 * **30.11.21:** - Fix app folder permissions, add the optional sudo password vars.
 * **29.11.21:** - Create `.profile` and `.bashrc` for the user.
 * **29.11.21:** - Release `insiders` tag.
diff --git a/readme-vars.yml b/readme-vars.yml
index 3efafd5..bbf3d09 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -61,6 +61,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "10.12.21:", desc: "Update deprecated connectionToken arg." }
   - { date: "30.11.21:", desc: "Fix app folder permissions, add the optional sudo password vars." }
   - { date: "29.11.21:", desc: "Create `.profile` and `.bashrc` for the user." }
   - { date: "29.11.21:", desc: "Release `insiders` tag." }
diff --git a/root/etc/services.d/openvscode-server/run b/root/etc/services.d/openvscode-server/run
index 3c11220..0d4876d 100644
--- a/root/etc/services.d/openvscode-server/run
+++ b/root/etc/services.d/openvscode-server/run
@@ -4,7 +4,7 @@ if [ -n "$CONNECTION_SECRET" ]; then
     CODE_ARGS="${CODE_ARGS} --connection-secret ${CONNECTION_SECRET}"
     echo "Using connection secret from ${CONNECTION_SECRET}"
 elif [ -n "$CONNECTION_TOKEN" ]; then
-    CODE_ARGS="${CODE_ARGS} --connectionToken ${CONNECTION_TOKEN}"
+    CODE_ARGS="${CODE_ARGS} --connection-token ${CONNECTION_TOKEN}"
     echo "Using connection token ${CONNECTION_TOKEN}"
 else
     if [ ! -f "/config/.secretkey" ]; then