diff --git a/paddle/phi/kernels/gpu/interpolate_kernel.cu b/paddle/phi/kernels/gpu/interpolate_kernel.cu
index 39274446cb9ac69363c62e466d3bbcbd947e8554..73cb7576af67d20ce6674f2102c4f35b9c5fb006 100644
--- a/paddle/phi/kernels/gpu/interpolate_kernel.cu
+++ b/paddle/phi/kernels/gpu/interpolate_kernel.cu
@@ -90,7 +90,7 @@ __global__ void KeLinearInterpFw(const T* in,
 
     if (data_layout == DataLayout::kNCHW) {
       const T* in_pos =
-          &in[out_id_h * out_id_w + channel_id * in_img_size + in_img_idx];
+          &in[out_id_h * input_w + channel_id * in_img_size + in_img_idx];
       // linear interpolation
       out[out_id_h * output_w + out_id_w] =
           static_cast<T>(w2lambda * static_cast<MT>(in_pos[0]) +