diff --git a/llvm-toolset-20.spec b/llvm-toolset-20.spec
index 0aeb9831c095d105ddfb76686d8a36bea2e308fd..c6ecc22ee9bf6386ef2e9fe6ccca195e1aa7485a 100644
--- a/llvm-toolset-20.spec
+++ b/llvm-toolset-20.spec
@@ -167,7 +167,7 @@
 #region main package
 Name:		  llvm-toolset-%{maj_ver}
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}
-Release:	1
+Release:	2
 Summary:	The Low Level Virtual Machine
 
 License:	NCSA
@@ -2651,7 +2651,7 @@ fi
 %{install_libdir}/libomp.so
 %{install_libdir}/libompd.so
 %{install_libdir}/libarcher.so
-%ifnarch %{ix86} %{arm} loongarch64
+%ifnarch %{ix86} %{arm}
 # libomptarget is not supported on 32-bit systems.
 # s390x does not support the offloading plugins.
 %if %{maj_ver} >= 20
@@ -2966,5 +2966,8 @@ fi
 #endregion files
 
 %changelog
+* Fri Oct 31 2025 mahailiang <mahailiang@uniontech.com> - 20.1.8-2
+- fix loongarch64 build error
+
 * Fri Jul 25 2025 jchzhou <zhoujiacheng@iscas.ac.cn> - 20.1.8-1
 - Init package