diff --git a/src/core/CCArray.mli b/src/core/CCArray.mli
index 46784348..651394fd 100644
--- a/src/core/CCArray.mli
+++ b/src/core/CCArray.mli
@@ -13,7 +13,7 @@ type 'a printer = Format.formatter -> 'a -> unit
 
 (** {2 Arrays} *)
 
-include module type of Array
+include module type of struct include Array end
 
 type 'a t = 'a array
 
diff --git a/src/core/CCArrayLabels.mli b/src/core/CCArrayLabels.mli
index 2cbe9330..4e7bc98e 100644
--- a/src/core/CCArrayLabels.mli
+++ b/src/core/CCArrayLabels.mli
@@ -13,7 +13,7 @@ type 'a printer = Format.formatter -> 'a -> unit
 
 (** {2 Arrays} *)
 
-include module type of ArrayLabels
+include module type of struct include ArrayLabels end
 
 type 'a t = 'a array