diff --git a/src/main/java/eu/siacs/conversations/entities/MucOptions.java b/src/main/java/eu/siacs/conversations/entities/MucOptions.java
index d1f6525ce..34f437e1c 100644
--- a/src/main/java/eu/siacs/conversations/entities/MucOptions.java
+++ b/src/main/java/eu/siacs/conversations/entities/MucOptions.java
@@ -34,6 +34,7 @@ public class MucOptions {
     public static final String STATUS_CODE_AFFILIATION_CHANGE = "321";
     public static final String STATUS_CODE_LOST_MEMBERSHIP = "322";
     public static final String STATUS_CODE_SHUTDOWN = "332";
+    public static final String STATUS_CODE_TECHNICAL_REASONS = "333";
     private final Set<User> users = new HashSet<>();
     private final Conversation conversation;
     public OnRenameListener onRenameListener = null;
diff --git a/src/main/java/eu/siacs/conversations/parser/PresenceParser.java b/src/main/java/eu/siacs/conversations/parser/PresenceParser.java
index 9b3e38b3a..341e8d9a0 100644
--- a/src/main/java/eu/siacs/conversations/parser/PresenceParser.java
+++ b/src/main/java/eu/siacs/conversations/parser/PresenceParser.java
@@ -143,7 +143,9 @@ public class PresenceParser extends AbstractParser implements
 				} else if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN) && fullJidMatches) {
 					mucOptions.setError(MucOptions.Error.SHUTDOWN);
 				} else if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE)) {
-					if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
+					if (codes.contains(MucOptions.STATUS_CODE_TECHNICAL_REASONS)) {
+						mucOptions.setError(MucOptions.Error.UNKNOWN);
+					} else if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
 						mucOptions.setError(MucOptions.Error.KICKED);
 					} else if (codes.contains(MucOptions.STATUS_CODE_BANNED)) {
 						mucOptions.setError(MucOptions.Error.BANNED);