diff --git a/pkgs/build-support/trivial-builders.nix b/pkgs/build-support/trivial-builders.nix
index 14553c33e03..32214db6584 100644
--- a/pkgs/build-support/trivial-builders.nix
+++ b/pkgs/build-support/trivial-builders.nix
@@ -68,7 +68,7 @@ rec {
         ${text}
         '';
       checkPhase = ''
-        ${stdenv.shell} -n $out
+        ${stdenv.shell} -n $out/bin/${name}
       '';
     };