diff --git a/zsh/zshrc b/zsh/zshrc
index e8bf236..30832e9 100644
--- a/zsh/zshrc
+++ b/zsh/zshrc
@@ -65,6 +65,20 @@ if [[ -z "$DOTFILES_DISABLE_WELCOME" ]]; then
   welcome
 fi
 
-if [[ -z "$DOTFILES_SYNC_LAST_WORKING_DIR" ]]; then
+should_really_sync=0
+if [[ -v DOTFILES_SYNC_LAST_WORKING_DIR ]]; then
+  # Variable is defined
+  if [[ -n "$DOTFILES_SYNC_LAST_WORKING_DIR" ]]; then
+    # Variable is non-empty
+    should_really_sync=1
+  fi
+else
+  # Variable is undefined
+  if [[ "$TERM_PROGRAM" != "vscode" ]]; then
+    should_really_sync=1
+  fi
+fi
+if (( should_really_sync )); then
   sync_working_dir_load
 fi
+unset should_really_sync