diff --git a/src/main/java/eu/siacs/conversations/ui/ChannelDiscoveryActivity.java b/src/main/java/eu/siacs/conversations/ui/ChannelDiscoveryActivity.java
index aabd6607f5327b33b05a27bc43b2bdd8e0e8f7b4..ab5b66b103bf3f395b3899b8e95264aa18dfd4b7 100644
--- a/src/main/java/eu/siacs/conversations/ui/ChannelDiscoveryActivity.java
+++ b/src/main/java/eu/siacs/conversations/ui/ChannelDiscoveryActivity.java
@@ -94,7 +94,7 @@ public class ChannelDiscoveryActivity extends XmppActivity implements MenuItem.O
             mMenuSearchView.expandActionView();
             mSearchEditText.append(initialSearchValue);
             mSearchEditText.requestFocus();
-            if (optedIn) {
+            if (optedIn && xmppConnectionService != null) {
                 xmppConnectionService.discoverChannels(initialSearchValue, this);
             }
         }