diff --git a/scm-core/src/main/java/sonia/scm/repository/HealthCheckFailure.java b/scm-core/src/main/java/sonia/scm/repository/HealthCheckFailure.java
index 58494618a8..21c7662b6f 100644
--- a/scm-core/src/main/java/sonia/scm/repository/HealthCheckFailure.java
+++ b/scm-core/src/main/java/sonia/scm/repository/HealthCheckFailure.java
@@ -32,6 +32,7 @@ import com.google.common.base.Objects;
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlRootElement;
+import java.io.Serializable;
 import java.text.MessageFormat;
 
 //~--- JDK imports ------------------------------------------------------------
@@ -44,7 +45,7 @@ import java.text.MessageFormat;
  */
 @XmlRootElement(name = "healthCheckFailure")
 @XmlAccessorType(XmlAccessType.FIELD)
-public final class HealthCheckFailure
+public final class HealthCheckFailure implements Serializable
 {
 
   private static final String URL_TEMPLATE = "https://scm-manager.org/docs/{0}/en/user/repo/health-checks/%s";