diff --git a/paddle/framework/backward.cc b/paddle/framework/backward.cc
index fbacfeed94126d14377936558f48862193f0d5e0..35759f8e781fe838c3d06488336fde4483d4ab61 100644
--- a/paddle/framework/backward.cc
+++ b/paddle/framework/backward.cc
@@ -159,7 +159,7 @@ static std::unique_ptr<OperatorBase> BackwardRecursive(
         insert_position.push_back(
             {dup_op.back(),
              OpRegistry::CreateOp(
-                 "add", {{"X", {insert_add_x}}, {"Y", {insert_add_y}}},
+                 "add", {{"X", {insert_add_x}}, {"X", {insert_add_y}}},
                  {{"Out", {insert_add_out}}}, {})});
       }
     }