diff --git a/src/main/java/seedu/address/logic/commands/RemarkCommand.java b/src/main/java/seedu/address/logic/commands/RemarkCommand.java
index f5f3a0d6d55..e6886626292 100644
--- a/src/main/java/seedu/address/logic/commands/RemarkCommand.java
+++ b/src/main/java/seedu/address/logic/commands/RemarkCommand.java
@@ -78,7 +78,7 @@ public CommandResult execute(Model model) throws CommandException {
      */
     private String generateSuccessMessage(Person personToEdit) {
         String message = !remark.value.isEmpty() ? MESSAGE_ADD_REMARK_SUCCESS : MESSAGE_DELETE_REMARK_SUCCESS;
-        return String.format(message, personToEdit);
+        return String.format(message, personToEdit.getName().toString());
     }
 
     @Override
diff --git a/src/test/java/seedu/address/logic/commands/RemarkCommandTest.java b/src/test/java/seedu/address/logic/commands/RemarkCommandTest.java
index e90139524ea..300dedfe292 100644
--- a/src/test/java/seedu/address/logic/commands/RemarkCommandTest.java
+++ b/src/test/java/seedu/address/logic/commands/RemarkCommandTest.java
@@ -39,7 +39,8 @@ public void execute_addRemarkUnfilteredList_success() {
         Person firstPerson = model.getFilteredPersonList().get(INDEX_FIRST_PERSON.getZeroBased());
         Person editedPerson = new PersonBuilder(firstPerson).withRemark(REMARK_STUB).build();
         RemarkCommand remarkCommand = new RemarkCommand(NRIC_FIRST_PERSON, new Remark(editedPerson.getRemark().value));
-        String expectedMessage = String.format(RemarkCommand.MESSAGE_ADD_REMARK_SUCCESS, editedPerson);
+        String expectedMessage = String.format(RemarkCommand.MESSAGE_ADD_REMARK_SUCCESS,
+            editedPerson.getName().toString());
         Model expectedModel = new ModelManager(new AddressBook(model.getAddressBook()), new UserPrefs());
         expectedModel.setPerson(firstPerson, editedPerson);
         assertCommandSuccess(remarkCommand, model, expectedMessage, expectedModel);
@@ -52,7 +53,8 @@ public void execute_deleteRemarkUnfilteredList_success() {
         RemarkCommand remarkCommand = new RemarkCommand(NRIC_FIRST_PERSON,
                 new Remark(editedPerson.getRemark().toString()));
 
-        String expectedMessage = String.format(RemarkCommand.MESSAGE_DELETE_REMARK_SUCCESS, editedPerson);
+        String expectedMessage = String.format(RemarkCommand.MESSAGE_DELETE_REMARK_SUCCESS,
+            editedPerson.getName().toString());
         Model expectedModel = new ModelManager(new AddressBook(model.getAddressBook()), new UserPrefs());
         expectedModel.setPerson(firstPerson, editedPerson);
 
@@ -67,7 +69,8 @@ public void execute_filteredList_success() {
 
         RemarkCommand remarkCommand = new RemarkCommand(NRIC_FIRST_PERSON, new Remark(editedPerson.getRemark().value));
 
-        String expectedMessage = String.format(RemarkCommand.MESSAGE_ADD_REMARK_SUCCESS, editedPerson);
+        String expectedMessage = String.format(RemarkCommand.MESSAGE_ADD_REMARK_SUCCESS,
+            editedPerson.getName().toString());
         Model expectedModel = new ModelManager(new AddressBook(model.getAddressBook()), new UserPrefs());
 
         expectedModel.setPerson(firstPerson, editedPerson);