diff --git a/clzip.spec b/clzip.spec
index 971bc56..56b8df6 100644
--- a/clzip.spec
+++ b/clzip.spec
@@ -62,7 +62,7 @@ popd
 
 %check
 pushd build/
-make check
+make %{?_smp_mflags} check
 popd
 
 %post