diff --git a/src/data/CCCache.ml b/src/data/CCCache.ml
index f5c85cd3..e0340bca 100644
--- a/src/data/CCCache.ml
+++ b/src/data/CCCache.ml
@@ -330,7 +330,7 @@ module UNBOUNDED(X:HASH) = struct
   let get c x = H.find c x
 
   let set c x y = H.replace c x y
-  
+
   let size c () = H.length c
 
   let iter c f = H.iter f c