diff --git a/pkgs/applications/misc/ulauncher/default.nix b/pkgs/applications/misc/ulauncher/default.nix
index 438277bc98cd..cf3a6a46f9de 100644
--- a/pkgs/applications/misc/ulauncher/default.nix
+++ b/pkgs/applications/misc/ulauncher/default.nix
@@ -121,6 +121,7 @@ python3Packages.buildPythonApplication rec {
     homepage = "https://ulauncher.io/";
     license = licenses.gpl3;
     platforms = platforms.linux;
+    mainProgram = "ulauncher";
     maintainers = with maintainers; [ aaronjanse sebtm ];
   };
 }