diff --git a/packages/squiggle-lang/src/js/index.ts b/packages/squiggle-lang/src/js/index.ts
index 306e5a07..5549223b 100644
--- a/packages/squiggle-lang/src/js/index.ts
+++ b/packages/squiggle-lang/src/js/index.ts
@@ -36,6 +36,7 @@ export {
   shape,
   lambdaValue,
   environment,
+  defaultEnvironment
 };
 
 export let defaultSamplingInputs: environment = {