diff --git a/apps/vscode/src/main.ts b/apps/vscode/src/main.ts
index 3b996985..c9195e58 100644
--- a/apps/vscode/src/main.ts
+++ b/apps/vscode/src/main.ts
@@ -55,6 +55,8 @@ export async function activate(context: vscode.ExtensionContext) {
   const quartoContext = initQuartoContext(
     quartoPath,
     workspaceFolder,
+    // Look for quarto in the app root; this is where Positron installs it
+    [path.join(vscode.env.appRoot, 'quarto', 'bin')],
     vscode.window.showWarningMessage
   );
   if (quartoContext.available) {