diff --git a/src/seedu/addressbook/storage/jaxb/AdaptedAddressBook.java b/src/seedu/addressbook/storage/jaxb/AdaptedAddressBook.java
index 550f5cd56..1201d7a36 100644
--- a/src/seedu/addressbook/storage/jaxb/AdaptedAddressBook.java
+++ b/src/seedu/addressbook/storage/jaxb/AdaptedAddressBook.java
@@ -24,6 +24,11 @@ public class AdaptedAddressBook {
     @XmlElement
     private List<AdaptedTag> tags = new ArrayList<>();
 
+    /**
+     * No-arg constructor for JAXB use.
+     */
+    public AdaptedAddressBook() {}
+
     /**
      * Converts a given AddressBook into this class for JAXB use.
      *
diff --git a/src/seedu/addressbook/storage/jaxb/AdaptedPerson.java b/src/seedu/addressbook/storage/jaxb/AdaptedPerson.java
index 747f5853e..73c0a6ef6 100644
--- a/src/seedu/addressbook/storage/jaxb/AdaptedPerson.java
+++ b/src/seedu/addressbook/storage/jaxb/AdaptedPerson.java
@@ -36,6 +36,12 @@ private static class AdaptedContactDetail {
     @XmlElement
     private List<AdaptedTag> tagged = new ArrayList<>();
 
+    /**
+     * No-arg constructor for JAXB use.
+     */
+    public AdaptedPerson() {}
+
+
     /**
      * Converts a given Person into this class for JAXB use.
      *
diff --git a/src/seedu/addressbook/storage/jaxb/AdaptedTag.java b/src/seedu/addressbook/storage/jaxb/AdaptedTag.java
index e13c0c097..cd5286a36 100644
--- a/src/seedu/addressbook/storage/jaxb/AdaptedTag.java
+++ b/src/seedu/addressbook/storage/jaxb/AdaptedTag.java
@@ -14,6 +14,11 @@ public class AdaptedTag {
     @XmlValue
     public String tagName;
 
+    /**
+     * No-arg constructor for JAXB use.
+     */
+    public AdaptedTag() {}
+
     /**
      * Converts a given Tag into this class for JAXB use.
      *