diff --git a/rust-hyper.spec b/rust-hyper.spec
index 047e485..1e15d73 100644
--- a/rust-hyper.spec
+++ b/rust-hyper.spec
@@ -74,7 +74,7 @@ which use %{crate} from crates.io.
 
 %if %{with check}
 %check
-%cargo_test
+%cargo_test -d
 %endif
 
 %files          devel