diff --git a/packages/squiggle-lang/.prettierignore b/packages/squiggle-lang/.prettierignore
index cc0cf959..75fd1e23 100644
--- a/packages/squiggle-lang/.prettierignore
+++ b/packages/squiggle-lang/.prettierignore
@@ -6,3 +6,5 @@ lib
 _coverage/
 .cache/
 Reducer_Peggy_GeneratedParser.js
+ReducerProject_IncludeParser.js
+src/rescript/Reducer/Reducer_Peggy/helpers.js