diff --git a/BaseBuild/crosschain/glibc b/BaseBuild/crosschain/glibc
index 7cb40a0..0f53c31 100644
--- a/BaseBuild/crosschain/glibc
+++ b/BaseBuild/crosschain/glibc
@@ -120,6 +120,7 @@ mk() {
 		echo "slibdir=/tools/$LIBDIR" >> configparms
 	else
 		LIBDIR=lib
+		BUILDOPTIONS=$BUILDOPTIONS" -march=i486"
 	fi
 	BUILD_CC="gcc" \
 	CC="${TARGET}-gcc ${BUILDOPTIONS}" \