diff --git a/llvm-toolset-19.spec b/llvm-toolset-19.spec
index 3001156a474a0139a171ddcd6f4bfb8a68626a16..2f6a8b0038ed07edd3610bdb6b44c75afea2ae88 100644
--- a/llvm-toolset-19.spec
+++ b/llvm-toolset-19.spec
@@ -160,7 +160,7 @@
 #region main package
 Name:		llvm-toolset-%{maj_ver}
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}
-Release:	17
+Release:	18
 Summary:	The Low Level Virtual Machine
 
 License:	NCSA
@@ -2658,7 +2658,7 @@ 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
@@ -2967,6 +2967,9 @@ fi
 #endregion files
 
 %changelog
+* Mon Dec  8 2025 Wenlong Zhang <zhangwenlong@loongson.cn> - 19.1.7-18
+- fix build error for loongarch64
+
 * Tue Nov 18 2025 liyunfei <liyunfei33@huawei.com> - 19.1.7-17
 - update to llvm-for-oE-19.1.7-2512.0.1
 - release note: https://gitee.com/openeuler/llvm-project/releases/tag/llvm-for-oE-19.1.7-2512.0.1