diff --git a/libffado.spec b/libffado.spec
index 20117f80565dd56135026593ba3dab53957b6307..f9e974dc39ac10bb4ebc2bca760194032bfb1c97 100644
--- a/libffado.spec
+++ b/libffado.spec
@@ -5,7 +5,7 @@ export LDFLAGS="%{build_ldflags}"
 
 Name:           libffado
 Version:        2.4.9
-Release:        2
+Release:        3
 Summary:        Free firewire audio driver library
 License:        LGPLv2+ and GPLv2 and GPLv3 and GPLv3+
 URL:            http://www.ffado.org/
@@ -41,7 +41,7 @@ The libffado-help package conatins manual pages for libffado.
 
 %prep
 %autosetup -p1
-%ifarch loongarch64
+%ifarch loongarch64 sw_64
 %_update_config_guess
 %_update_config_sub
 %endif
@@ -110,6 +110,9 @@ appstream-util validate-relax --nonet  %{buildroot}%{_datadir}/metainfo/org.ffad
 %{_mandir}/man1/ffado-*.1*
 
 %changelog
+* Thu Mar 06 2025 mahailiang <mahailiang@uniontech.com> - 2.4.9-3
+- update config.guess and config.sub for sw_64
+
 * Fri Dec 13 2024 xu_ping <707078654@qq.com> - 2.4.9-2
 - fix scons-3 not found due to python3-scons upgrade.