diff --git a/pkgs/drracket-pkgs/drracket/drracket/drracket.desktop b/pkgs/drracket-pkgs/drracket/drracket/drracket.desktop
index 0ea0923bea..67a78551fb 100644
--- a/pkgs/drracket-pkgs/drracket/drracket/drracket.desktop
+++ b/pkgs/drracket-pkgs/drracket/drracket/drracket.desktop
@@ -5,3 +5,4 @@ Comment=DrRacket is an interactive, integrated, graphical programming environmen
 Terminal=false
 Type=Application
 Categories=Development;Education;
+Exec=drracket -singleInstance