diff --git a/root/etc/s6-overlay/s6-rc.d/init-mod-code-server-rbenv-install/run b/root/etc/s6-overlay/s6-rc.d/init-mod-code-server-rbenv-install/run
index 30f9c9f..73fa0f0 100755
--- a/root/etc/s6-overlay/s6-rc.d/init-mod-code-server-rbenv-install/run
+++ b/root/etc/s6-overlay/s6-rc.d/init-mod-code-server-rbenv-install/run
@@ -20,6 +20,7 @@ if [ -d /config/.rbenv/plugins/ruby-build ]; then
         /config/.rbenv
 
     echo 'Upgrading ruby-build plugin'
+    git config --global --add safe.directory /config/.rbenv/plugins/ruby-build
     git -C /config/.rbenv/plugins/ruby-build pull
 else
     echo 'Cloning ruby-build plugin repo'