             int* ipiv_ptr = static_cast<int*>(internal::GetRawOffsetData(ipiv));
 
             int buffersize = 0;
-            device_internals.cusolver_handle().Call(getrf_bufferSize, m, m, lu_ptr, m, &buffersize);
+            device_internals.cusolverdn_handle().Call(getrf_bufferSize, m, m, lu_ptr, m, &buffersize);
 
             Array work = Empty(Shape({buffersize}), dtype, device);
             T* work_ptr = static_cast<T*>(internal::GetRawOffsetData(work));

            device.backend().CallKernel<CopyKernel>(b, out);
            T* out_ptr = static_cast<T*>(internal::GetRawOffsetData(out));

            device_internals.cusolver_handle().Call(getrs, CUBLAS_OP_N, m, m, lu_ptr, m, ipiv_ptr, out_ptr, m, devInfo);

            CheckCudaError(cudaMemcpy(&devInfo_h, devInfo, sizeof(int), cudaMemcpyDeviceToHost));
            if (devInfo_h != 0) {

            int* devInfo;
            CheckCudaError(cudaMalloc(&devInfo, sizeof(int)));

            device_internals.cusolverdn_handle().Call(getrf, m, m, lu_ptr, m, work_ptr, ipiv_ptr, devInfo);

            int devInfo_h = 0;
            CheckCudaError(cudaMemcpy(&devInfo_h, devInfo, sizeof(int), cudaMemcpyDeviceToHost));
