diff --git a/src/gui/interfaces/iguiapplication.h b/src/gui/interfaces/iguiapplication.h
index 941a8bd18..a444aaae4 100644
--- a/src/gui/interfaces/iguiapplication.h
+++ b/src/gui/interfaces/iguiapplication.h
@@ -39,7 +39,7 @@ class MainWindow;
 class IGUIApplication : public IApplication
 {
 public:
-    virtual ~IGUIApplication() = default;
+    ~IGUIApplication() override = default;
 
     virtual DesktopIntegration *desktopIntegration() = 0;
     virtual MainWindow *mainWindow() = 0;
diff --git a/src/gui/powermanagement/powermanagement_x11.h b/src/gui/powermanagement/powermanagement_x11.h
index 4da9ece22..cc6fa529f 100644
--- a/src/gui/powermanagement/powermanagement_x11.h
+++ b/src/gui/powermanagement/powermanagement_x11.h
@@ -41,7 +41,7 @@ class PowerManagementInhibitor final : public QObject
 
 public:
     PowerManagementInhibitor(QObject *parent = nullptr);
-    virtual ~PowerManagementInhibitor() = default;
+    ~PowerManagementInhibitor() override = default;
 
     void requestIdle();
     void requestBusy();