diff --git a/SPECS/ceph-common.spec b/SPECS/ceph-common.spec
index bc8aa031..3a2e9764 100644
--- a/SPECS/ceph-common.spec
+++ b/SPECS/ceph-common.spec
@@ -1,3 +1,5 @@
+%global _smp_mflags -j16
+
 %if ! (0%{?fedora} > 12 || 0%{?rhel} > 5)
 %{!?python_sitelib: %global python_sitelib %(%{__python} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())")}
 %{!?python_sitearch: %global python_sitearch %(%{__python} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib(1))")}