1 files changed, 4 insertions, 0 deletions
diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/model/ValueSimple.java b/src/main/java/pl/edu/mimuw/cloudatlas/model/ValueSimple.java
index 803510f..a320e43 100644
--- a/src/main/java/pl/edu/mimuw/cloudatlas/model/ValueSimple.java
+++ b/src/main/java/pl/edu/mimuw/cloudatlas/model/ValueSimple.java
@@ -43,6 +43,10 @@ abstract class ValueSimple<T> extends Value {
         setValue(value);
     }
 
+    /* Kryo needs a no-args constructor */
+    protected ValueSimple() {
+    }
+
     /**
      * Returns a hash code value for this object. This is a hash code of underlying wrapped object.
      *