diff --git a/packages/squiggle-lang/bsconfig.json b/packages/squiggle-lang/bsconfig.json
index cbc96bb2..2901e7d5 100644
--- a/packages/squiggle-lang/bsconfig.json
+++ b/packages/squiggle-lang/bsconfig.json
@@ -33,7 +33,7 @@
   "gentypeconfig": {
     "language": "typescript",
     "module": "commonjs",
-    "generatedFileExtension": ".gen.tsx",
+    "generatedFileExtension": ".gen.ts",
     "shims": {},
     "debug": {
       "all": false,