diff --git a/chiffrement/chiffrement.java b/chiffrement/chiffrement.java
index 5aafee3c9..35c27b6cf 100644
--- a/chiffrement/chiffrement.java
+++ b/chiffrement/chiffrement.java
@@ -90,7 +90,7 @@ public class chiffrement {
 			}
 			try {
 				BufferedWriter writer = Files.newBufferedWriter(output.toPath(), Charset.forName("UTF-8"));
-				writer.write(encrypted + "\0", 0, encrypted.length());
+				writer.write(encrypted, 0, encrypted.length());
 				writer.close();
 			} catch (Exception ex) {
 				System.out.println(ex);
diff --git a/prepare.conf b/prepare.conf
index e7679c94b..2f84a1323 100644
--- a/prepare.conf
+++ b/prepare.conf
@@ -21,3 +21,4 @@
 -DENABLE_QRCODE=ON
 -DENABLE_LIME=OFF
 -DENABLE_LIME_X3DH=ON
+-DENABLE_UPDATE_CHECK=ON