diff --git a/include/aidge/operator/ReduceMean.hpp b/include/aidge/operator/ReduceMean.hpp
index 5d5895a8fb279f1efa5c6321614199f44402b83a..16fc08af0aab86cfd09ed66486dbc4dfe834c702 100644
--- a/include/aidge/operator/ReduceMean.hpp
+++ b/include/aidge/operator/ReduceMean.hpp
@@ -52,12 +52,12 @@ public:
     /**
      * @brief constructor for ReduceMean op
      * @param[in] axes around which perform the operation
-     * @param[in] keep_dims if true we set a dimension of 1 in the place of the reduced axes and 
+     * @param[in] keep_dims if true we set a dimension of 1 in the place of the reduced axes and
      * if false we remove the dimension completely
      * @param[in] noop_with_empty_axes used when no axes are provided, if set to true, the operator does nothing
      * and if false, we reduce on all axes
      */
-    ReduceMean_Op(const std::vector<std::int32_t>& axes, bool keep_dims, bool noop_with_empty_axes);
+    ReduceMean_Op(const std::vector<std::int32_t>& axes, bool keep_dims = true, bool noop_with_empty_axes = false);
 
     /**
      * @brief Copy-constructor. Copy the operator attributes and its output tensor(s), but not its input tensors (the new operator has no input associated).
@@ -116,8 +116,8 @@ public:
 // template <DimIdx_t DIM>
 // const std::string ReduceMean_Op::Type = "ReduceMean";
 std::shared_ptr<Node> ReduceMean(const std::vector<std::int32_t> &axes,
-                                        bool keep_dims=true,
-                                        bool noop_with_empty_axes=false,
+                                        bool keep_dims = true,
+                                        bool noop_with_empty_axes = false,
                                         const std::string& name = "");
 
 }  // namespace Aidge