diff --git a/lensfun.spec b/lensfun.spec
index a61d119..83a65a6 100644
--- a/lensfun.spec
+++ b/lensfun.spec
@@ -1,12 +1,17 @@
 
-%ifarch %{ix86}
+%global sse  -DBUILD_FOR_SSE:BOOL=OFF
 %global sse2 -DBUILD_FOR_SSE2:BOOL=OFF
+%ifarch %{ix86} x86_64
+%global sse  -DBUILD_FOR_SSE:BOOL=ON
+%endif
+%ifarch x86_64
+%global sse2 -DBUILD_FOR_SSE2:BOOL=ON
 %endif
 
 Name:    lensfun
 Version: 0.3.0
 Summary: Library to rectify defects introduced by photographic lenses
-Release: 2%{?dist}
+Release: 3%{?dist}
 
 License: LGPLv3 and CC-BY-SA
 URL: http://lensfun.sourceforge.net/
@@ -56,7 +61,7 @@ pushd %{_target_platform}
   -DBUILD_TESTS:BOOL=OFF \
   -DCMAKE_BUILD_TYPE=STRING=Release \
   -DINSTALL_HELPER_SCRIPTS:BOOL=OFF \
-  %{?sse2}
+  %{?sse} %{?sse2}
 popd
 
 make %{?_smp_mflags} -C %{_target_platform}
@@ -89,6 +94,9 @@ rm -rfv %{buildroot}%{_docdir}/%{name}-%{version}*
 
 
 %changelog
+* Mon Nov 17 2014 Rex Dieter <rdieter@fedoraproject.org> 0.3.0-3
+- enable sse only in %%ix86 x86_64, sse2 on x86_64, disable elsewhere
+
 * Mon Nov 17 2014 Rex Dieter <rdieter@fedoraproject.org> - 0.3.0-2
 - -DINSTALL_HELPER_SCRIPTS=OFF (with patch)
 - -DCMAKE_BUILD_TYPE=Release (defaults to Debug otherwise)