diff --git a/src/jiti.ts b/src/jiti.ts
index 5212135d..cdaa2a3a 100644
--- a/src/jiti.ts
+++ b/src/jiti.ts
@@ -173,6 +173,7 @@ export default function createJITI(
           resolved = resolvePathSync(id, {
             url: _url,
             conditions,
+            extensions: opts.extensions,
           });
         } catch (error) {
           err = error;