diff --git a/pkgs/tools/security/cdk-go/default.nix b/pkgs/tools/security/cdk-go/default.nix
index 5b0472a7d55b..465b987ec74f 100644
--- a/pkgs/tools/security/cdk-go/default.nix
+++ b/pkgs/tools/security/cdk-go/default.nix
@@ -24,5 +24,6 @@ buildGoModule rec {
     homepage = "https://github.com/cdk-team/CDK";
     license = with licenses; [ gpl2Only ];
     maintainers = with maintainers; [ fab ];
+    mainProgram = "cdk";
   };
 }