diff --git a/7kaa.spec b/7kaa.spec
index 150327e..97f7fa8 100644
--- a/7kaa.spec
+++ b/7kaa.spec
@@ -65,7 +65,7 @@ the GPL v2.
 %build
 %configure --docdir=%{_docdir}/%{name}
 export CXXFLAGS="%{optflags} -fno-strict-aliasing"
-make %{?_smp_mflags}
+make %{?_smp_mflags} CXXFLAGS="%{optflags} -fno-strict-aliasing"
 
 %install
 %make_install