diff --git a/pkgs/by-name/pr/prometheus-squid-exporter/package.nix b/pkgs/by-name/pr/prometheus-squid-exporter/package.nix
index 40be646bdb98..93ebc6366d6c 100644
--- a/pkgs/by-name/pr/prometheus-squid-exporter/package.nix
+++ b/pkgs/by-name/pr/prometheus-squid-exporter/package.nix
@@ -20,6 +20,7 @@ buildGoModule (finalAttrs: {
   meta = {
     description = "Squid Prometheus exporter";
     homepage = "https://github.com/boynux/squid-exporter";
+    mainProgram = "squid-exporter";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ srhb ];
   };