diff --git a/llvm-build/build-ohos-aarch64.py b/llvm-build/build-ohos-aarch64.py
index 84c7e1e8feba99b29c70ba0d8e44534e18d768de..9dc42111624a68acbaa3f32ac31efc5ff2028094 100755
--- a/llvm-build/build-ohos-aarch64.py
+++ b/llvm-build/build-ohos-aarch64.py
@@ -115,6 +115,8 @@ def main():
     llvm_defines['CMAKE_C_FLAGS_RELEASE'] = cflags_release
     llvm_defines['CMAKE_CXX_FLAGS_RELEASE'] = cflags_release
     llvm_defines['CMAKE_ASM_FLAGS_RELEASE'] = cflags_release
+    llvm_defines['OPENMP_STANDALONE_BUILD'] = 'ON'
+    llvm_defines['LLVM_DIR'] = os.path.join(llvm_root, 'lib', 'cmake', 'llvm')
 
     if build_config.enable_assertions:
         llvm_defines['LLVM_ENABLE_ASSERTIONS'] = 'ON'