diff --git a/cockatrice/src/main.cpp b/cockatrice/src/main.cpp
index 89abee12..69003a3d 100644
--- a/cockatrice/src/main.cpp
+++ b/cockatrice/src/main.cpp
@@ -151,6 +151,10 @@ int main(int argc, char *argv[])
     qDebug("main(): MainWindow constructor finished");
 
     ui.setWindowIcon(QPixmap("theme:cockatrice"));
+#if QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+    // set name of the app desktop file; used by wayland to load the window icon
+    QGuiApplication::setDesktopFileName("cockatrice");
+#endif
 
     SettingsCache::instance().setClientID(generateClientID());
 
diff --git a/oracle/src/main.cpp b/oracle/src/main.cpp
index b26c339d..6cae0b6d 100644
--- a/oracle/src/main.cpp
+++ b/oracle/src/main.cpp
@@ -62,6 +62,10 @@ int main(int argc, char *argv[])
 
     QIcon icon("theme:appicon.svg");
     wizard.setWindowIcon(icon);
+#if QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+    // set name of the app desktop file; used by wayland to load the window icon
+    QGuiApplication::setDesktopFileName("oracle");
+#endif
 
     wizard.show();