diff --git a/paddle/fluid/operators/pad2d_op.cc b/paddle/fluid/operators/pad2d_op.cc
index 9495e7075829308f128e2514de25cb2e65b48835..3ae006a60c8c3ccc3d5911793a04993127582b28 100644
--- a/paddle/fluid/operators/pad2d_op.cc
+++ b/paddle/fluid/operators/pad2d_op.cc
@@ -345,7 +345,7 @@ class Pad2dCPUKernel : public framework::OpKernel<T> {
     GetPaddings(pads, context);
     auto mode = context.Attr<std::string>("mode");
     auto data_format = context.Attr<std::string>("data_format");
-    T value = context.Attr<T>("pad_value");
+    T value = static_cast<T>(context.Attr<float>("pad_value"));
 
     auto* x = context.Input<Tensor>("X");
     auto in_dims = x->dims();
diff --git a/paddle/fluid/operators/pad2d_op.cu b/paddle/fluid/operators/pad2d_op.cu
index f88b195b646f18e3677ddcf78c2ceab1335a44f8..c05d778fb29c88c69ba389fdb1a9b024cf237af2 100644
--- a/paddle/fluid/operators/pad2d_op.cu
+++ b/paddle/fluid/operators/pad2d_op.cu
@@ -314,7 +314,7 @@ class Pad2dCUDAKernel : public framework::OpKernel<T> {
     GetPaddings(pads, context);
     auto mode = context.Attr<std::string>("mode");
     auto data_format = context.Attr<std::string>("data_format");
-    T value = context.Attr<T>("pad_value");
+    T value = static_cast<T>(context.Attr<float>("pad_value"));
 
     auto* x = context.Input<Tensor>("X");
     auto in_dims = x->dims();