diff --git a/build/linux/init_desktop.sh b/build/linux/init_desktop.sh
index 361c4f38a03..9e182f45fe6 100644
--- a/build/linux/init_desktop.sh
+++ b/build/linux/init_desktop.sh
@@ -11,6 +11,7 @@ Exec=$base_path/$exec_name.sh
 Icon=$base_path/Icons/Watt-Toolkit.png
 Terminal=false
 Type=Application
+StartupWMClass=Steam++
 StartupNotify=false" >"$HOME/Desktop/Watt Toolkit.desktop"
 chmod +x "$HOME/Desktop/Watt Toolkit.desktop"
 exit 0
diff --git a/build/linux/offline_init.sh b/build/linux/offline_init.sh
index 1eb059c7d50..b330a21d745 100644
--- a/build/linux/offline_init.sh
+++ b/build/linux/offline_init.sh
@@ -197,6 +197,7 @@ Exec=$base_path/$exec_name.sh
 Icon=$base_path/Icons/Watt-Toolkit.png
 Terminal=false
 Type=Application
+StartupWMClass=Steam++
 StartupNotify=false" >"$target_dir/Watt Toolkit.desktop"
     chmod +x "$target_dir/Watt Toolkit.desktop"
 
diff --git a/build/linux/online_install.sh b/build/linux/online_install.sh
index 10acbaf0a67..a16e847d825 100644
--- a/build/linux/online_install.sh
+++ b/build/linux/online_install.sh
@@ -437,6 +437,7 @@ Icon=$base_path/Icons/Watt-Toolkit.png
 Terminal=false
 Type=Application
 StartupNotify=false
+StartupWMClass=Steam++
 EOT
     chmod +x "$target_dir/Watt Toolkit.desktop"
 }