diff --git a/zshrc/merlin_devbox.zsh b/zshrc/merlin_devbox.zsh
index 526ed6f..1a61e97 100644
--- a/zshrc/merlin_devbox.zsh
+++ b/zshrc/merlin_devbox.zsh
@@ -1,3 +1,19 @@
+# # Patch prep_env.sh for zsh compatibility (only if not already patched)
+# _prep_env="/workspace/vscode/prep_env.sh"
+# if [[ -f "$_prep_env" ]] && ! grep -q '# PATCHED_FOR_ZSH' "$_prep_env" 2>/dev/null; then
+#     sed -i \
+#         -e '1a# PATCHED_FOR_ZSH' \
+#         -e 's/^shopt -s histappend$/[[ -n "${BASH_VERSION}" ]] \&\& shopt -s histappend/' \
+#         -e 's/\${!\([^}]*\)}/\$( [[ -n "\${ZSH_VERSION}" ]] \&\& echo "\${(P)\1}" || echo "\${!\1}" )/g' \
+#         -e 's/cur_dir="\$(cd "\$(dirname "\$0")" && pwd)"/cur_dir="\/workspace\/vscode"/' \
+#         "$_prep_env"
+# fi
+
+# # Now source the patched script directly
+# source "$_prep_env"
+
+
+
 # Set cur_dir before sourcing so prep_env.sh uses the correct path
 export cur_dir="/workspace/vscode"