diff --git a/src/main/java/eu/siacs/conversations/ui/ConferenceDetailsActivity.java b/src/main/java/eu/siacs/conversations/ui/ConferenceDetailsActivity.java
index b5d90f077..cd4441651 100644
--- a/src/main/java/eu/siacs/conversations/ui/ConferenceDetailsActivity.java
+++ b/src/main/java/eu/siacs/conversations/ui/ConferenceDetailsActivity.java
@@ -386,7 +386,7 @@ public class ConferenceDetailsActivity extends XmppActivity implements OnConvers
 				}
 			} else {
 				MenuItem sendPrivateMessage = menu.findItem(R.id.send_private_message);
-				sendPrivateMessage.setVisible(user.getRole().ranks(MucOptions.Role.PARTICIPANT));
+				sendPrivateMessage.setVisible(user.getRole().ranks(MucOptions.Role.VISITOR));
 			}
 
 		}
diff --git a/src/main/res/values/themes.xml b/src/main/res/values/themes.xml
index ea20a7c4d..0488f4cfb 100644
--- a/src/main/res/values/themes.xml
+++ b/src/main/res/values/themes.xml
@@ -155,6 +155,8 @@
     </style>
 
     <style name="ConversationsTheme.FullScreen" parent="@style/Theme.AppCompat.Light">
+        <item name="colorPrimary">@color/primary500</item>
+        <item name="colorPrimaryDark">@color/primary700</item>
         <item name="android:windowNoTitle">true</item>
         <item name="android:windowActionBar">false</item>
         <item name="android:windowFullscreen">true</item>