1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/servers/monitoring/prometheus/postgres-exporter.nix b/nixpkgs/pkgs/servers/monitoring/prometheus/postgres-exporter.nix
index 62f041b285ba..130789ca4bd5 100644
--- a/nixpkgs/pkgs/servers/monitoring/prometheus/postgres-exporter.nix
+++ b/nixpkgs/pkgs/servers/monitoring/prometheus/postgres-exporter.nix
@@ -32,6 +32,7 @@ buildGoModule rec {
   meta = with lib; {
     inherit (src.meta) homepage;
     description = "A Prometheus exporter for PostgreSQL";
+    mainProgram = "postgres_exporter";
     license = licenses.asl20;
     maintainers = with maintainers; [ fpletz globin willibutz ma27 ];
   };