diff --git a/linux_various/PCSX2.desktop.in b/linux_various/PCSX2.desktop.in
index d97c03625f..df1f98b7c8 100644
--- a/linux_various/PCSX2.desktop.in
+++ b/linux_various/PCSX2.desktop.in
@@ -3,6 +3,7 @@ Version=1.0
 Terminal=false
 Type=Application
 Name=PCSX2
+StartupWMClass=PCSX2
 GenericName=PlayStation 2 Emulator
 GenericName[zh_CN]=PlayStation 2 模拟器
 Comment=Sony PlayStation 2 emulator