diff --git a/activation.cpp b/activation.cpp
index 1e2254a651..e17d4d4394 100644
--- a/activation.cpp
+++ b/activation.cpp
@@ -633,6 +633,7 @@ void Client::updateUserTime( Time time )
         && ( user_time == CurrentTime
             || timestampCompare( time, user_time ) > 0 )) // time > user_time
         user_time = time;
+    group()->updateUserTime( user_time );
     }
 
 Time Client::readUserCreationTime() const
diff --git a/manage.cpp b/manage.cpp
index f6aa4d92be..8f9e5c9fbd 100644
--- a/manage.cpp
+++ b/manage.cpp
@@ -24,6 +24,7 @@ License. See the file "COPYING" for the exact licensing terms.
 #include "notifications.h"
 #include <QX11Info>
 #include "rules.h"
+#include "group.h"
 
 namespace KWinInternal
 {
@@ -421,7 +422,9 @@ bool Client::manage( Window w, bool isMapped )
     // - keep it?
     XLowerWindow( QX11Info::display(), frameId());
 
+    // set initial user time directly
     user_time = readUserTimeMapTimestamp( asn_valid ? &asn_id : NULL, asn_valid ? &asn_data : NULL, session );
+    group()->updateUserTime( user_time ); // and do what Client::updateUserTime() does
 
     if( isTopMenu()) // they're shown in Workspace::addClient() if their mainwindow
         hideClient( true ); // is the active one