diff --git a/src/swiftcore/tool.cpp b/src/swiftcore/tool.cpp
index 5413009bb..315dd4f3e 100644
--- a/src/swiftcore/tool.cpp
+++ b/src/swiftcore/tool.cpp
@@ -169,18 +169,18 @@ namespace BlackMiscTest
                 }
                 else
                 {
-                    QString category;
-                    if (line.startsWith("app")) category = CLogCategoryList(applicationContext).back().toQString();
-                    else if (line.startsWith("aud")) category = CLogCategoryList(audioContext).back().toQString();
-                    else if (line.startsWith("net")) category = CLogCategoryList(networkContext).back().toQString();
-                    else if (line.startsWith("own")) category = CLogCategoryList(ownAircraftContext).back().toQString();
-                    else if (line.startsWith("set")) category = CLogCategoryList(settingsContext).back().toQString();
-                    else if (line.startsWith("sim")) category = CLogCategoryList(simulatorContext).back().toQString();
-                    if (! category.isEmpty())
+                    CLogCategoryList categories;
+                    if (line.startsWith("app")) categories = applicationContext;
+                    else if (line.startsWith("aud")) categories = audioContext;
+                    else if (line.startsWith("net")) categories = networkContext;
+                    else if (line.startsWith("own")) categories = ownAircraftContext;
+                    else if (line.startsWith("set")) categories = settingsContext;
+                    else if (line.startsWith("sim")) categories = simulatorContext;
+                    if (! categories.isEmpty())
                     {
                         BlackMisc::singleShot(0, BlackMisc::CLogHandler::instance()->thread(), [ = ]()
                         {
-                            BlackMisc::CLogHandler::instance()->handlerForCategoryPrefix(category)->enableConsoleOutput(enable);
+                            BlackMisc::CLogHandler::instance()->handlerForPattern(CLogPattern::allOf(categories))->enableConsoleOutput(enable);
                         });
                     }
                 }
diff --git a/src/swiftgui_standard/mainwindow.cpp b/src/swiftgui_standard/mainwindow.cpp
index 01472c7be..d1909f32f 100644
--- a/src/swiftgui_standard/mainwindow.cpp
+++ b/src/swiftgui_standard/mainwindow.cpp
@@ -298,7 +298,6 @@ bool MainWindow::isContextAudioAvailableCheck()
 void MainWindow::ps_displayStatusMessageInGui(const CStatusMessage &statusMessage)
 {
     if (statusMessage.isRedundant()) return;
-    if (statusMessage.getSeverity() == CStatusMessage::SeverityDebug) return;
 
     if (statusMessage.wasHandledBy(this)) return;
     statusMessage.markAsHandledBy(this);
@@ -313,7 +312,6 @@ void MainWindow::ps_displayStatusMessageInGui(const CStatusMessage &statusMessag
     this->ui->comp_MainInfoArea->getLogComponent()->appendStatusMessageToList(statusMessage);
 
     // display overlay for errors, but not for validation
-    // TODO smarter use of CLogCategoryHandler to dispatch different categories of message to different MainWindow slots
     if (statusMessage.getSeverity() == CStatusMessage::SeverityError && ! statusMessage.getCategories().contains(CLogCategory::validation()))
     {
         this->m_compInfoWindow->displayStatusMessage(statusMessage);
diff --git a/src/swiftgui_standard/mainwindow_init.cpp b/src/swiftgui_standard/mainwindow_init.cpp
index 563a4a629..8905fcdb3 100644
--- a/src/swiftgui_standard/mainwindow_init.cpp
+++ b/src/swiftgui_standard/mainwindow_init.cpp
@@ -112,8 +112,8 @@ void MainWindow::init(const CRuntimeConfig &runtimeConfig)
     this->connect(this->ui->comp_MainInfoArea->getSettingsComponent(), &CSettingsComponent::changedAtcStationsUpdateInterval, this->ui->comp_MainInfoArea->getAtcStationComponent(), &::CAtcStationComponent::setUpdateIntervalSeconds);
 
     // log messages
-    this->connect(CLogHandler::instance(), &CLogHandler::localMessageLogged, this, &MainWindow::ps_displayStatusMessageInGui);
-    this->connect(CLogHandler::instance(), &CLogHandler::remoteMessageLogged, this, &MainWindow::ps_displayStatusMessageInGui);
+    auto *logHandler = CLogHandler::instance()->handlerForPattern(CLogPattern().withSeverityAtOrAbove(CStatusMessage::SeverityInfo));
+    this->connect(logHandler, &CLogPatternHandler::messageLogged, this, &MainWindow::ps_displayStatusMessageInGui);
 
     Q_ASSERT(connect);
     Q_UNUSED(connect); // suppress GCC warning in release build