1 files changed, 1 insertions, 1 deletions
diff --git a/scTypes.ml b/scTypes.ml
index f79b4ef..81af61c 100755
--- a/scTypes.ml
+++ b/scTypes.ml
@@ -196,7 +196,7 @@ module Refs = struct
     | Matrix: 'a dataFormat * 'a list list -> 'a list list content
 
   type refContent =
-    | C: 'a content -> refContent
+    | C: 'a content -> refContent [@@unboxed]
 
   type ('a, 'b) equality = Eq : ('a, 'a) equality