diff --git a/frontend/delta/js/Clipperz/Crypto/AES.js b/frontend/delta/js/Clipperz/Crypto/AES.js
index 6fda601..cf16674 100644
--- a/frontend/delta/js/Clipperz/Crypto/AES.js
+++ b/frontend/delta/js/Clipperz/Crypto/AES.js
@@ -25,7 +25,7 @@ refer to http://www.clipperz.com.
 
 try { if (typeof(Clipperz.ByteArray) == 'undefined') { throw ""; }} catch (e) {
 	throw "Clipperz.Crypto.AES depends on Clipperz.ByteArray!";
-}  
+}
 
 //	Dependency commented to avoid a circular reference
 //try { if (typeof(Clipperz.Crypto.PRNG) == 'undefined') { throw ""; }} catch (e) {
@@ -824,7 +824,8 @@ MochiKit.Base.update(Clipperz.Crypto.AES, {
 	//-----------------------------------------------------------------------------
 
 	'deferredDecrypt': function(aKey, someData) {
-		var deferredResult
+		var deferredResult;
+		var executionContext;
 		var nonce;
 		var message;
 		var key;
diff --git a/frontend/delta/js/Clipperz/PM/Crypto.js b/frontend/delta/js/Clipperz/PM/Crypto.js
index d1d3306..91a1683 100644
--- a/frontend/delta/js/Clipperz/PM/Crypto.js
+++ b/frontend/delta/js/Clipperz/PM/Crypto.js
@@ -21,6 +21,7 @@ refer to http://www.clipperz.com.
 
 */
 
+"use strict";
 if (typeof(Clipperz) == 'undefined') { Clipperz = {}; }
 if (typeof(Clipperz.PM) == 'undefined') { Clipperz.PM = {}; }
 if (typeof(Clipperz.PM.Crypto) == 'undefined') { Clipperz.PM.Crypto = {}; }
@@ -320,7 +321,7 @@ MochiKit.Base.update(Clipperz.PM.Crypto, {
 						deferredResult.addCallback(MochiKit.Async.wait, 0.1);
 						deferredResult.addCallback(Clipperz.Base.evalJSON);
 						deferredResult.addErrback(function(anError) {
-							Clipperz.logError("Error while decrypting data [4]");
+							Clipperz.logError("Error while decrypting data [3]");
 							throw Clipperz.Crypto.Base.exception.CorruptedMessage;
 						})
 					} else {