diff --git a/cdrkit-1.1.11-sw.patch b/cdrkit-1.1.11-sw.patch
new file mode 100755
index 0000000..37f46c0
--- /dev/null
+++ b/cdrkit-1.1.11-sw.patch
@@ -0,0 +1,32 @@
+diff -Naur cdrkit-1.1.11.org/include/btorder.h cdrkit-1.1.11.sw/include/btorder.h
+--- cdrkit-1.1.11.org/include/btorder.h	2022-02-28 02:48:17.340000000 +0000
++++ cdrkit-1.1.11.sw/include/btorder.h	2022-02-28 02:52:34.310000000 +0000
+@@ -112,6 +112,7 @@
+ 
+ #	if defined(__i386__) || defined(__i386) || defined(i386) || \
+ 	    defined(__alpha__) || defined(__alpha) || defined(alpha) || \
++	    defined(__sw_64__) || defined(__sw_64) || defined(sw_64) || \
+ 	    defined(__arm__) || defined(__arm) || defined(arm)
+ #		define _BIT_FIELDS_LTOH
+ #	endif
+diff -Naur cdrkit-1.1.11.org/libusal/scsi-vms.c cdrkit-1.1.11.sw/libusal/scsi-vms.c
+--- cdrkit-1.1.11.org/libusal/scsi-vms.c	2022-02-28 02:48:17.310000000 +0000
++++ cdrkit-1.1.11.sw/libusal/scsi-vms.c	2022-02-28 02:54:34.040000000 +0000
+@@ -117,7 +117,7 @@
+ 	Uint	SCSI$L_RES_6;		/* Reserved */
+ };
+ 
+-#ifdef __ALPHA
++#if defined __ALPHA || defined __SW_64
+ #pragma member_alignment save
+ #pragma nomember_alignment
+ #endif
+@@ -129,7 +129,7 @@
+ 	Uchar	SCSI$B_IOSB_STS;	/* SCSI device status */
+ };
+ 
+-#ifdef __ALPHA
++#if defined __ALPHA || defined __SW_64
+ #pragma member_alignment restore
+ #endif
+ 
diff --git a/cdrkit.spec b/cdrkit.spec
index 0709abb..3c3ec8f 100644
--- a/cdrkit.spec
+++ b/cdrkit.spec
@@ -1,6 +1,6 @@
 Name:              cdrkit
 Version:           1.1.11
-Release:           46
+Release:           47
 Summary:           A collection of CD/DVD utilities
 License:           GPLv2
 URL:               http://cdrkit.org/
@@ -30,6 +30,9 @@ Patch20:           cdrkit-1.1.11-werror_gcc5.patch
 Patch21:           cdrkit-1.1.11-devname.patch
 Patch22:           cdrkit-1.1.11-sysmacros.patch
 Patch23:           cdrkit-1.1.11-gcc10.patch
+%ifarch sw_64
+Patch24:           cdrkit-1.1.11-sw.patch
+%endif
 
 BuildRequires:     gcc cmake libcap-devel zlib-devel perl-interpreter 
 BuildRequires:     perl-generators file-devel bzip2-devel 
@@ -218,6 +221,9 @@ fi
 %{_mandir}/*
 
 %changelog
+* Thu Nov 3 2022 wuzx<wuzx1226@qq.com> - 1.1.11-47
+- add sw64 patch
+
 * Tue Oct 25 2022 wangkerong <wangkerong@h-partners.com> - 1.1.11-46
 - rebuild for next release