diff --git a/pkgs/servers/matrix-appservice-discord/default.nix b/pkgs/servers/matrix-appservice-discord/default.nix
index b1d14319638d..605df82b5771 100644
--- a/pkgs/servers/matrix-appservice-discord/default.nix
+++ b/pkgs/servers/matrix-appservice-discord/default.nix
@@ -103,5 +103,6 @@ in mkYarnPackage rec {
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ pacien ];
     platforms = lib.platforms.linux;
+    mainProgram = "matrix-appservice-discord";
   };
 }