diff --git a/repos/jekyll/copy/all/usr/jekyll/bin/entrypoint b/repos/jekyll/copy/all/usr/jekyll/bin/entrypoint
index 7834ddfcee3aedbc2f4dcf329833dfd5b19c8a5c..964180c1ae905e091d024a0dd2e05b52969decb1 100755
--- a/repos/jekyll/copy/all/usr/jekyll/bin/entrypoint
+++ b/repos/jekyll/copy/all/usr/jekyll/bin/entrypoint
@@ -25,8 +25,8 @@ export JEKYLL_GID
 #   behavior on OS X.
 #
 if [ "$JEKYLL_UID" != "0" ] && [ "$JEKYLL_UID" != "$(id -u jekyll)" ]; then
-  usermod  -u "$JEKYLL_UID" jekyll
-  groupmod -g "$JEKYLL_GID" jekyll
+  usermod  -o -u "$JEKYLL_UID" jekyll
+  groupmod -o -g "$JEKYLL_GID" jekyll
   chown_args=""
 
   [ "$FULL_CHOWN" ] && chown_args="-R"