diff --git a/res/rustdesk-link.desktop b/res/rustdesk-link.desktop
index c64781aeb..c6f4d3f2a 100644
--- a/res/rustdesk-link.desktop
+++ b/res/rustdesk-link.desktop
@@ -8,3 +8,4 @@ Icon=rustdesk
 Terminal=false
 Type=Application
 StartupNotify=false
+StartupWMClass=rustdesk
diff --git a/res/rustdesk.desktop b/res/rustdesk.desktop
index cc72ff449..eb8c3b9be 100644
--- a/res/rustdesk.desktop
+++ b/res/rustdesk.desktop
@@ -10,6 +10,7 @@ StartupNotify=true
 Categories=Network;RemoteAccess;GTK;
 Keywords=internet;
 Actions=new-window;
+StartupWMClass=rustdesk
 
 X-Desktop-File-Install-Version=0.23