diff --git a/include/aidge/operator/Operator.hpp b/include/aidge/operator/Operator.hpp
index 0544683487e4069dce9d4c5ff6df0433f27ed827..396c60e46127ee9312745a92f9112dbc0742a584 100644
--- a/include/aidge/operator/Operator.hpp
+++ b/include/aidge/operator/Operator.hpp
@@ -124,7 +124,7 @@ public:
      * @brief Get the OperatorImpl of the Operator
      *
      */
-    std::shared_ptr<OperatorImpl> getImpl(){
+    inline std::shared_ptr<OperatorImpl> getImpl() const noexcept {
         return mImpl;
     }