diff --git a/pkgs/by-name/us/ustreamer/package.nix b/pkgs/by-name/us/ustreamer/package.nix
index 58dce6de7c9a..819c937cab38 100644
--- a/pkgs/by-name/us/ustreamer/package.nix
+++ b/pkgs/by-name/us/ustreamer/package.nix
@@ -77,5 +77,6 @@ stdenv.mkDerivation rec {
       matthewcroughan
     ];
     platforms = platforms.linux;
+    mainProgram = "ustreamer";
   };
 }