diff --git a/mpc.changes b/mpc.changes
index 2df51b7..842a495 100644
--- a/mpc.changes
+++ b/mpc.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Jun 28 06:38:35 UTC 2010 - jengelh@medozas.de
+
+- use %_smp_mflags
+
 -------------------------------------------------------------------
 Mon Feb  1 12:01:25 UTC 2010 - jengelh@medozas.de
 
diff --git a/mpc.spec b/mpc.spec
index ef2b352..b3d528f 100644
--- a/mpc.spec
+++ b/mpc.spec
@@ -70,10 +70,10 @@ MPC multiple-precision complex library development files.
 
 %build
 %configure
-make %{?jobs:-j%jobs}
+make %{?_smp_mflags}
 
 %check
-make check %{?jobs:-j%jobs}
+make check %{?_smp_mflags}
 
 %install
 %makeinstall