diff --git a/src/main/java/net/openhft/chronicle/hash/impl/util/CanonicalRandomAccessFiles.java b/src/main/java/net/openhft/chronicle/hash/impl/util/CanonicalRandomAccessFiles.java
index 29b6e35cd..d18d6173f 100644
--- a/src/main/java/net/openhft/chronicle/hash/impl/util/CanonicalRandomAccessFiles.java
+++ b/src/main/java/net/openhft/chronicle/hash/impl/util/CanonicalRandomAccessFiles.java
@@ -71,4 +71,6 @@ public final class CanonicalRandomAccessFiles {
             }
         });
     }
+
+    private CanonicalRandomAccessFiles() {}
 }