diff --git a/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java b/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java
index 0afd9102..b973ded2 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java
@@ -78,7 +78,7 @@ public final class Jid {
             if (localpart.isEmpty() || localpart.length() > 1023) {
                 throw new InvalidJidException(InvalidJidException.INVALID_PART_LENGTH);
             }
-            domainpartStart = atLoc;
+            domainpartStart = atLoc + 1;
             finaljid = lp + "@";
         } else {
             localpart = "";