diff --git a/ccm-cms/src/main/java/org/librecms/lifecycle/PhaseDefinition.java b/ccm-cms/src/main/java/org/librecms/lifecycle/PhaseDefinition.java
index 1570355ff..3cb20d1db 100644
--- a/ccm-cms/src/main/java/org/librecms/lifecycle/PhaseDefinition.java
+++ b/ccm-cms/src/main/java/org/librecms/lifecycle/PhaseDefinition.java
@@ -18,6 +18,8 @@
  */
 package org.librecms.lifecycle;
 
+import com.fasterxml.jackson.annotation.JsonIdentityInfo;
+import com.fasterxml.jackson.annotation.ObjectIdGenerators;
 import org.libreccm.l10n.LocalizedString;
 
 import java.io.Serializable;
@@ -51,6 +53,11 @@ import static org.librecms.CmsConstants.*;
         query = "SELECT p FROM PhaseDefinition p WHERE p.uuid = :uuid"
     )
 })
+@JsonIdentityInfo(
+    generator = ObjectIdGenerators.PropertyGenerator.class,
+    resolver = PhaseDefinitionIdResolver.class,
+    property = "uuid"
+)
 public class PhaseDefinition implements Serializable {
 
     private static final long serialVersionUID = -7718926310758794075L;