diff --git a/packages/js/src/utils/typescript/run-type-check.ts b/packages/js/src/utils/typescript/run-type-check.ts
index 32c3cf51cecdff..1a8c4256cce471 100644
--- a/packages/js/src/utils/typescript/run-type-check.ts
+++ b/packages/js/src/utils/typescript/run-type-check.ts
@@ -139,6 +139,7 @@ async function setupTypeScript(options: TypeCheckOptions) {
   const dfltStructure =
     options.mode === 'emitDeclarationOnly'
       ? options.projectRoot &&
+        options.outDir &&
         rootDirIsWorkspaceRoot &&
         path.normalize(options.outDir).endsWith(_projectRoot)
       : undefined;