diff --git a/src/main/java/org/orph2020/pst/common/json/ProposalCycleDates.java b/src/main/java/org/orph2020/pst/common/json/ProposalCycleDates.java
index 30442fc..e743c9e 100644
--- a/src/main/java/org/orph2020/pst/common/json/ProposalCycleDates.java
+++ b/src/main/java/org/orph2020/pst/common/json/ProposalCycleDates.java
@@ -1,5 +1,7 @@
 package org.orph2020.pst.common.json;
 
+import org.ivoa.dm.proposal.management.Observatory;
+
 import java.util.Date;
 
 public class ProposalCycleDates {
@@ -7,13 +9,15 @@ public class ProposalCycleDates {
     public Date submissionDeadline;
     public Date observationSessionStart;
     public Date observationSessionEnd;
+    public Observatory observatory;
 
-    public ProposalCycleDates(String title, Date submissionDeadline, Date observationSessionStart, Date observationSessionEnd)
+    public ProposalCycleDates(String title, Date submissionDeadline, Date observationSessionStart, Date observationSessionEnd, Observatory observatory)
     {
         this.title = title;
         this.submissionDeadline = submissionDeadline;
         this.observationSessionStart = observationSessionStart;
         this.observationSessionEnd = observationSessionEnd;
+        this.observatory = observatory;
     }
 
     public ProposalCycleDates() {}