diff --git a/src/main/java/de/pixart/messenger/ui/ConferenceDetailsActivity.java b/src/main/java/de/pixart/messenger/ui/ConferenceDetailsActivity.java
index e31eba559..c7847f64b 100644
--- a/src/main/java/de/pixart/messenger/ui/ConferenceDetailsActivity.java
+++ b/src/main/java/de/pixart/messenger/ui/ConferenceDetailsActivity.java
@@ -212,6 +212,10 @@ public class ConferenceDetailsActivity extends XmppActivity implements OnConvers
                     options1.putString("muc#roomconfig_whois", values[2] ? "anyone" : "moderators");
                 }
                 options1.putString("muc#roomconfig_persistentroom", "1");
+                final boolean whois = values.length == 2 ? values[1] : values[2];
+                if (values[0] == whois) {
+                    options1.putString("muc#roomconfig_publicroom", whois ? "0" : "1");
+                }
                 xmppConnectionService.pushConferenceConfiguration(mConversation,
                         options1,
                         ConferenceDetailsActivity.this);