diff --git a/src/test/java/seedu/address/model/person/UniquePersonListTest.java b/src/test/java/seedu/address/model/person/UniquePersonListTest.java
index ce2471b71f6..afa60b2547e 100644
--- a/src/test/java/seedu/address/model/person/UniquePersonListTest.java
+++ b/src/test/java/seedu/address/model/person/UniquePersonListTest.java
@@ -206,4 +206,10 @@ public void asUnmodifiableObservableList_modifyList_throwsUnsupportedOperationEx
     public void toStringMethod() {
         assertEquals(uniquePersonList.asUnmodifiableObservableList().toString(), uniquePersonList.toString());
     }
+
+    @Test
+    public void equals() {
+        assertEquals(uniquePersonList, uniquePersonList);
+        assertFalse(uniquePersonList.equals(null));
+    }
 }