diff --git a/src/test/java/org/qortal/test/MemoryPoWTests.java b/src/test/java/org/qortal/test/MemoryPoWTests.java
index 1e7f8946..80759ef2 100644
--- a/src/test/java/org/qortal/test/MemoryPoWTests.java
+++ b/src/test/java/org/qortal/test/MemoryPoWTests.java
@@ -71,10 +71,18 @@ public class MemoryPoWTests {
 	public void testKnownCompute2() {
 		byte[] data = new byte[] { (byte) 0xaa, (byte) 0xbb, (byte) 0xcc };
 
+		int difficulty = 12;
 		int expectedNonce = 4013;
-		int nonce = MemoryPoW.compute2(data, 8 * 1024 * 1024, 12);
+		int nonce = MemoryPoW.compute2(data, 8 * 1024 * 1024, difficulty);
 
-		System.out.println(String.format("Nonce: %d", nonce));
+		System.out.println(String.format("Difficulty %d, nonce: %d", difficulty, nonce));
+		assertEquals(expectedNonce, nonce);
+
+		difficulty = 16;
+		expectedNonce = 41029;
+		nonce = MemoryPoW.compute2(data, 8 * 1024 * 1024, difficulty);
+
+		System.out.println(String.format("Difficulty %d, nonce: %d", difficulty, nonce));
 		assertEquals(expectedNonce, nonce);
 	}