diff --git a/paddle/phi/kernels/gpu/full_kernel.cu b/paddle/phi/kernels/gpu/full_kernel.cu
index e5456743696e07..c3dfb5f2a349c4 100644
--- a/paddle/phi/kernels/gpu/full_kernel.cu
+++ b/paddle/phi/kernels/gpu/full_kernel.cu
@@ -42,7 +42,7 @@ void FullKernel(const Context& dev_ctx,
                 DataType dtype,
                 DenseTensor* out) {
   out->Resize(common::make_ddim(shape.GetData()));
-  int numel = out->numel();
+  int64_t numel = out->numel();
   dev_ctx.template Alloc<T>(out);
 
   if (numel > 0) {