diff --git a/guitarix.spec b/guitarix.spec
index 417cd45..ae8c98e 100644
--- a/guitarix.spec
+++ b/guitarix.spec
@@ -5,7 +5,7 @@
 
 Name:           guitarix
 Version:        0.21.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Mono amplifier to JACK
 Group:          Applications/Multimedia
 License:        GPLv2+
@@ -87,7 +87,7 @@ rm -fr src/zita-convolver src/zita-resampler
 %endif
       %{optflags}"                                                           \
       --ladspadir=%{_libdir}/ladspa
-./waf -vv build %{?_smp_mflags}
+./waf -vv build
 
 %install
 rm -rf %{buildroot}
@@ -116,6 +116,9 @@ chmod 644 %{buildroot}/%{_datadir}/%{altname}/skins/*
 %{_datadir}/ladspa
 
 %changelog
+* Wed Jan 18 2012 Brendan Jones <brendan.jones.it@gmail.com> - 0.21.0-2
+- Remove parallel build
+
 * Tue Jan 17 2012 Brendan Jones <brendan.jones.it@gmail.com> - 0.21.0-1
 - Update to upstream 0.21.0, correct fail to build (missing glibmm headers)