diff --git a/scap-security-guide.spec b/scap-security-guide.spec
index 39dc5b2..4f65f33 100644
--- a/scap-security-guide.spec
+++ b/scap-security-guide.spec
@@ -38,9 +38,7 @@ further information.
 %setup -q -D -n %{name}-%{version}
 
 %build
-(cd Fedora && make dist)
-(cd RHEL/6 && make dist)
-(cd RHEL/7 && make dist)
+make %{?_smp_mflags} dist
 
 %install
 # Create required directory structure