diff --git a/soundtouch.spec b/soundtouch.spec
index ec1337a..49d80e3 100644
--- a/soundtouch.spec
+++ b/soundtouch.spec
@@ -38,7 +38,11 @@ Libraries, include files, etc you can use to develop soundtouch applications.
 sed -i 's/-rpath $(libdir)/-rpath $(libdir) -version-number %{ltversion}/' \
   source/SoundTouch/Makefile.in
 # force use of our CFLAGS
+%ifarch %{ix86}
+sed -i 's|-O3 -msse|$(CFLAGS) -msse|' source/SoundTouch/Makefile.*
+%else
 sed -i 's|-O3 -msse|$(CFLAGS)|' source/SoundTouch/Makefile.*
+%endif
 sed -i 's|-O3|$(CFLAGS)|' source/example/*/Makefile.*
 # cleanup a bit
 chmod -x README.html