diff --git a/zopfli.spec b/zopfli.spec
index 262b898a83fe85ca8fd9a1986575da734fd3a35f..e602ada186b6e7f6dbf22487321cf784a0d61c8b 100644
--- a/zopfli.spec
+++ b/zopfli.spec
@@ -1,6 +1,6 @@
 Name:           zopfli
 Version:        1.0.1
-Release:        9
+Release:        10
 Summary:        Compression library programmed in C
 License:        ASL 2.0
 URL:            https://github.com/google/zopfli
@@ -17,11 +17,7 @@ very good, but slow, deflate or zlib compression.
 %autosetup -n zopfli-zopfli-%{version} -p1
 
 %build
-cflags=`sed -n '/^CFLAGS/=' Makefile`
-cxxflags=`sed -n '/^CXXFLAGS/=' Makefile`
-sed -i "${cflags}s#\$#& %{optflags}#" Makefile
-sed -i "${cxxflags}s#\$#& %{optflags}#" Makefile
-%make_build zopfli zopflipng
+make %{?_smp_mflags}  CFLAGS="%{optflags}" zopfli zopflipng
 
 %install
 mkdir -p %{buildroot}%{_bindir}
@@ -35,6 +31,9 @@ chmod 0755 %{buildroot}%{_bindir}/zopfli*
 
 
 %changelog
+* Thu Mar 21 2022 licihua <licihua@huawei.com> - 1.0.1-10
+- Change compile flags
+
 * Thu Nov 26 2020 lingsheng <lingsheng@huawei.com> - 1.0.1-9
 - Fix invalid read outsize allocated memory