diff --git a/pkgs/servers/sql/pgbouncer/default.nix b/pkgs/servers/sql/pgbouncer/default.nix
index 7f6cfa0f898a..dd47de907576 100644
--- a/pkgs/servers/sql/pgbouncer/default.nix
+++ b/pkgs/servers/sql/pgbouncer/default.nix
@@ -19,6 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     homepage = "https://www.pgbouncer.org/";
+    mainProgram = "pgbouncer";
     description = "Lightweight connection pooler for PostgreSQL";
     changelog = "https://github.com/pgbouncer/pgbouncer/releases/tag/pgbouncer_${replaceStrings ["."] ["_"] version}";
     license = licenses.isc;