diff --git a/pkgs/games/prismlauncher/default.nix b/pkgs/games/prismlauncher/default.nix
index 63c6901326ee..9f260aaba9d5 100644
--- a/pkgs/games/prismlauncher/default.nix
+++ b/pkgs/games/prismlauncher/default.nix
@@ -98,6 +98,7 @@ rec {
   dontWrapQtApps = true;
 
   meta = with lib; {
+    mainProgram = "prismlauncher";
     homepage = "https://prismlauncher.org/";
     description = "A free, open source launcher for Minecraft";
     longDescription = ''