diff --git a/src/main/java/eu/siacs/conversations/parser/MessageParser.java b/src/main/java/eu/siacs/conversations/parser/MessageParser.java
index cc71391119f3e991c07b481570a373893f231dbb..5540a0603b5c3f4584489772b3bbdec17f1e5880 100644
--- a/src/main/java/eu/siacs/conversations/parser/MessageParser.java
+++ b/src/main/java/eu/siacs/conversations/parser/MessageParser.java
@@ -433,7 +433,7 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
             if (handleErrorMessage(account, packet)) {
                 return;
             }
-            final var contact = packet.getFrom() == null ? null : account.getRoster().getContact(packet.getFrom());
+            final var contact = packet.getFrom() == null || packet.getFrom() instanceof InvalidJid ? null : account.getRoster().getContact(packet.getFrom());
             if (contact != null && contact.isBlocked()) {
                 Log.d(Config.LOGTAG, "Got MAM result from blocked contact, ignoring...");
                 return;