diff --git a/include/aidge/operator/ReLUImpl.hpp b/include/aidge/operator/ReLUImpl.hpp
index eb0b61b2d7d61554955e01735e755aaea67a7eec..2b556bc1bc5e0ad353da91ee599a81cc32ed4275 100644
--- a/include/aidge/operator/ReLUImpl.hpp
+++ b/include/aidge/operator/ReLUImpl.hpp
@@ -31,7 +31,7 @@ class ReLUImplBackward_cpu
 };
 
 class ReLUImpl_cpu : public OperatorImpl {
-   private:
+   protected:
     const ReLU_Op& mOp;
     std::array<NbElts_t, 1> mNbConsumedData;
     std::array<NbElts_t, 1> mNbProducedData;