diff --git a/profiles/desktop/make.defaults b/profiles/desktop/make.defaults
index 4021811a..b6888a4e 100644
--- a/profiles/desktop/make.defaults
+++ b/profiles/desktop/make.defaults
@@ -28,7 +28,7 @@ PORTAGE_ELOG_SYSTEM="save"
 RUBY_TARGETS="ruby20"
 
 # cpu
-USE="${USE} custom-cflags graphite"
+USE="${USE} custom-cflags graphite smp"
 
 # gpu
 USE="${USE} dri dri2 fbcon fbcondecor fbosd opengl webgl"
diff --git a/profiles/server/make.defaults b/profiles/server/make.defaults
index 783eb29d..33479ff4 100644
--- a/profiles/server/make.defaults
+++ b/profiles/server/make.defaults
@@ -29,7 +29,7 @@ RUBY_TARGETS="ruby20"
 PYTHON_TARGETS="python2_7 python3_2 python3_3"
 
 # cpu
-USE="${USE} custom-cflags"
+USE="${USE} custom-cflags smp"
 
 # gpu
 #USE="${USE} dri dri2 fbcon fbcondecor fbosd opengl opencl vaapi"