diff --git a/mace/ops/eltwise.cc b/mace/ops/eltwise.cc
index bb7532cc3f79cd461fb5e891476955038c0c4bae..d8520dcb37d578c41c2536a3e66420ec72b416b2 100644
--- a/mace/ops/eltwise.cc
+++ b/mace/ops/eltwise.cc
@@ -865,7 +865,7 @@ class EltwiseOp : public Operation {
     const T *input1_ptr = input1->data<T>();
 
     if (data_format_ == NCHW && input1->dim_size() > 0 &&
-        input1->size() < input0->size()) {
+        input1->size() <= input0->size()) {
       MACE_RETURN_IF_ERROR(output->ResizeLike(input0));
       Tensor::MappingGuard output_guard(output);
       DstType *output_ptr = output->mutable_data<DstType>();