diff --git a/api/src/main/java/io/minio/ListenBucketNotificationArgs.java b/api/src/main/java/io/minio/ListenBucketNotificationArgs.java
index a1dc359bc..46200c7cf 100644
--- a/api/src/main/java/io/minio/ListenBucketNotificationArgs.java
+++ b/api/src/main/java/io/minio/ListenBucketNotificationArgs.java
@@ -89,6 +89,6 @@ public boolean equals(Object o) {
 
   @Override
   public int hashCode() {
-    return Objects.hash(super.hashCode(), prefix, suffix, events);
+    return Objects.hash(super.hashCode(), prefix, suffix, Arrays.hashCode(events));
   }
 }
diff --git a/api/src/test/java/io/minio/ListenBucketNotificationArgsTest.java b/api/src/test/java/io/minio/ListenBucketNotificationArgsTest.java
new file mode 100644
index 000000000..23d8aa223
--- /dev/null
+++ b/api/src/test/java/io/minio/ListenBucketNotificationArgsTest.java
@@ -0,0 +1,23 @@
+package io.minio;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class ListenBucketNotificationArgsTest {
+
+    @Test
+    public void testEmptyBuild() {
+        String event = "abcde";
+        ListenBucketNotificationArgs args1 = ListenBucketNotificationArgs
+                .builder()
+                .events(new String[]{new String(event)})
+                .build();
+        ListenBucketNotificationArgs args2 = ListenBucketNotificationArgs
+                .builder()
+                .events(new String[]{new String(event)})
+                .build();
+        Assert.assertEquals(args1, args2);
+        Assert.assertEquals(args1.hashCode(), args2.hashCode());
+    }
+
+}