diff --git a/flac-1.3.3-sw.patch b/flac-1.3.3-sw.patch
new file mode 100755
index 0000000..4891f4d
--- /dev/null
+++ b/flac-1.3.3-sw.patch
@@ -0,0 +1,12 @@
+diff -Nuar flac-1.3.3.org/m4/endian.m4 flac-1.3.3.sw/m4/endian.m4
+--- flac-1.3.3.org/m4/endian.m4	2022-03-03 02:53:08.140000000 +0000
++++ flac-1.3.3.sw/m4/endian.m4	2022-03-03 02:54:44.740000000 +0000
+@@ -115,7 +115,7 @@
+ 		# by looking at the target CPU type.
+ 		[
+ 		case "$target_cpu" in
+-			alpha* | i?86* | mipsel* | ia64*)
++			sw_64* | alpha* | i?86* | mipsel* | ia64*)
+ 				ac_cv_c_byte_order=little
+ 				;;
+ 
diff --git a/flac.spec b/flac.spec
index 66df7e3..f9f4823 100644
--- a/flac.spec
+++ b/flac.spec
@@ -2,7 +2,7 @@
 
 Name: flac
 Version: 1.3.3
-Release: 6
+Release: 7
 Summary: encoder/decoder which support the Free Lossless Audio Codec
 License: BSD and GPLv2+ and GFDL
 Source0: http://downloads.xiph.org/releases/flac/flac-%{version}.tar.xz
@@ -10,6 +10,9 @@ URL: http://www.xiph.org/flac/
 
 Patch0000:	CVE-2021-0561.patch
 Patch0001:	CVE-2020-0499.patch
+%ifarch sw_64
+Patch0002:      flac-1.3.3-sw.patch
+%endif
 
 Provides: %{name}-libs
 Obsoletes: %{name}-libs
@@ -101,6 +104,9 @@ update-desktop-database &> /dev/null || :
 %doc flac-doc-devel/*
 
 %changelog
+* Wed Oct 19 2022 wuzx<wuzx1226@qq.com> - 1.3.3-7
+- add sw64 patch
+
 * Sat May 28 2022 zhouwenpei <zhouwenpei1@h-partners.com> - 1.3.3-6
 - fix CVE-2020-0499