diff --git a/programs/mutant-5/swen90006/passbook/PassBook.java b/programs/mutant-5/swen90006/passbook/PassBook.java
index 445cabacbf690b75f22793138b6bd9f9ed0661a1..76f73019e11e3dde8071f5c9299f5708f84b7aed 100644
--- a/programs/mutant-5/swen90006/passbook/PassBook.java
+++ b/programs/mutant-5/swen90006/passbook/PassBook.java
@@ -104,7 +104,7 @@ public class PassBook
 		}
 	    }
 
-	    if (containsLowerCase || !containsUpperCase || !containsNumber) {
+	    if (!containsLowerCase || !containsUpperCase || !containsNumber) {
 		throw new WeakPassphraseException(passphrase);
 	    }
 	}
@@ -206,7 +206,7 @@ public class PassBook
 	}
 
 	PasswordTable pt = details.get(passbookUsername);
-	if (urlUsername == null || urlPassword == null) {
+	if (urlUsername == null&&urlPassword == null) {
 	    pt.remove(url);
 	}
 	else {