diff --git a/libdvbpsi.spec b/libdvbpsi.spec
index c3daa6a..704a2ef 100644
--- a/libdvbpsi.spec
+++ b/libdvbpsi.spec
@@ -35,7 +35,7 @@ autoreconf -vif
 %build
 %configure --disable-dependency-tracking --disable-static
 %make_build
-make doc
+make %{?_smp_mflags} doc
 
 
 %install