diff --git a/packages/squiggle-lang/src/rescript/Distributions/SampleSetDist/SampleSet.res b/packages/squiggle-lang/src/rescript/Distributions/SampleSetDist/SampleSet.res
index eebb9efc..316c5d6f 100644
--- a/packages/squiggle-lang/src/rescript/Distributions/SampleSetDist/SampleSet.res
+++ b/packages/squiggle-lang/src/rescript/Distributions/SampleSetDist/SampleSet.res
@@ -1,3 +1,4 @@
+@genType
 type t = array<float>
 
 // TODO: Refactor to raise correct error when not enough samples
@@ -142,4 +143,4 @@ let toPointSetDist = (
   }
 
   samplesParse
-}
\ No newline at end of file
+}