diff --git a/src/main/java/eu/siacs/conversations/utils/BackupFileHeader.java b/src/main/java/eu/siacs/conversations/utils/BackupFileHeader.java
index 5e1470a8d..bc86a5d24 100644
--- a/src/main/java/eu/siacs/conversations/utils/BackupFileHeader.java
+++ b/src/main/java/eu/siacs/conversations/utils/BackupFileHeader.java
@@ -39,7 +39,7 @@ public class BackupFileHeader {
 
     public void write(DataOutputStream dataOutputStream) throws IOException {
         dataOutputStream.writeInt(VERSION);
-        dataOutputStream.writeUTF(app.replace("sum7", "siacs"));
+        dataOutputStream.writeUTF(app);
         dataOutputStream.writeUTF(jid.asBareJid().toEscapedString());
         dataOutputStream.writeLong(timestamp);
         dataOutputStream.write(iv);
@@ -51,7 +51,7 @@ public class BackupFileHeader {
         if (version > VERSION) {
             throw new IllegalArgumentException("Backup File version was "+version+" but app only supports up to version "+VERSION);
         }
-        String app = inputStream.readUTF().replace("siacs", "sum7");
+        String app = inputStream.readUTF();
         String jid = inputStream.readUTF();
         long timestamp = inputStream.readLong();
         byte[] iv = new byte[12];