diff --git a/src/main/java/helpers/ScryptHelper.java b/src/main/java/helpers/ScryptHelper.java
index da362e5..636b970 100644
--- a/src/main/java/helpers/ScryptHelper.java
+++ b/src/main/java/helpers/ScryptHelper.java
@@ -146,7 +146,12 @@
 	}
 
 	static byte[] hash(CharSequence password, byte[] salt, int N, int r, int p, int dkLen) {
-		return SCrypt.generate(toBytes(password), salt, N, r, p, dkLen);
+		byte[] pwd = toBytes(password);
+		try {
+			return SCrypt.generate(pwd, salt, N, r, p, dkLen);
+		} finally {
+			Arrays.fill(pwd, (byte) 0);
+		}
 	}
 
 	private static byte[] salt() {