diff --git a/programs/mutant-5/swen90006/passbook/PassBook.java b/programs/mutant-5/swen90006/passbook/PassBook.java
index b6a1d3a0574826e55905a1be18a4eeafd7a4a6a2..66ad4237ddfed4e1e4c531cb76e75e2c38ab8f2b 100644
--- a/programs/mutant-5/swen90006/passbook/PassBook.java
+++ b/programs/mutant-5/swen90006/passbook/PassBook.java
@@ -100,7 +100,7 @@ public class PassBook
 		else if ('A' <= passphrase.charAt(i) || passphrase.charAt(i) <= 'Z') {
 		    containsUpperCase = true;
 		}
-		else if ('0' <= passphrase.charAt(i) || passphrase.charAt(i) < '9') {
+		else if ('0' <= passphrase.charAt(i) || passphrase.charAt(i) <= '9') {
 		    containsNumber = true;
 		}
 	    }
@@ -239,7 +239,7 @@ public class PassBook
 	    throw new InvalidSessionIDException(sessionID);
 	}
 	else if (!Arrays.asList(VALID_URL_PROTOCOLS).contains(url.getProtocol())) {
-	    throw new MalformedURLException(passbookUsername);
+	    throw new InvalidSessionIDException(sessionID);
 	}
 
 	PasswordTable pt = details.get(passbookUsername);