diff --git a/llvm-toolset-20.spec b/llvm-toolset-20.spec
index c8fd4115827aa042d7bc7bff499f50da63a3ac50..1d5e80eae6f4dea4251e711a1964e4386183285c 100644
--- a/llvm-toolset-20.spec
+++ b/llvm-toolset-20.spec
@@ -168,7 +168,7 @@
 #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
@@ -2653,7 +2653,7 @@ 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
@@ -2968,5 +2968,8 @@ 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