diff --git a/src/main/java/eu/siacs/conversations/services/ChannelDiscoveryService.java b/src/main/java/eu/siacs/conversations/services/ChannelDiscoveryService.java
index 413b41ccee08aa27115a8014297103bfe759cc28..eb0392cd7da246952fedb2b336bc859b077ae145 100644
--- a/src/main/java/eu/siacs/conversations/services/ChannelDiscoveryService.java
+++ b/src/main/java/eu/siacs/conversations/services/ChannelDiscoveryService.java
@@ -195,6 +195,7 @@ public class ChannelDiscoveryService {
                         if (itemsResponse.getType() == IqPacket.TYPE.RESULT) {
                             final List<Jid> items = IqParser.items(itemsResponse);
                             for (Jid item : items) {
+                                if (item.isDomainJid()) continue; // Only looking for MUCs for now, and by spec they have a localpart
                                 IqPacket infoRequest =
                                         service.getIqGenerator().queryDiscoInfo(item);
                                 queriesInFlight.incrementAndGet();