diff --git a/pkgs/by-name/po/polybar/package.nix b/pkgs/by-name/po/polybar/package.nix
index 613b75d646af..76b3de10cdab 100644
--- a/pkgs/by-name/po/polybar/package.nix
+++ b/pkgs/by-name/po/polybar/package.nix
@@ -111,6 +111,7 @@ stdenv.mkDerivation (finalAttrs: {
     '';
     license = licenses.mit;
     maintainers = with maintainers; [ afldcr Br1ght0ne moni ckie ];
+    mainProgram = "polybar";
     platforms = platforms.linux;
   };
 })