diff --git a/include/aidge/operator/Conv.hpp b/include/aidge/operator/Conv.hpp
index 9310fdd24b33e419ff6b567a17628b7ec4c99797..cf06311a3a291fc3e88303f408d04f016348f9c3 100644
--- a/include/aidge/operator/Conv.hpp
+++ b/include/aidge/operator/Conv.hpp
@@ -167,6 +167,7 @@ inline std::shared_ptr<Node> Conv(
 }
 }  // namespace Aidge
 
+extern template class Aidge::Conv_Op<1>;
 extern template class Aidge::Conv_Op<2>;
 
 namespace {
diff --git a/include/aidge/operator/ConvDepthWise.hpp b/include/aidge/operator/ConvDepthWise.hpp
index 594eab3f0871aebf0eeab5ef545eb1a734555969..eaab84647ff09d701ffaba2f780891f1501354ce 100644
--- a/include/aidge/operator/ConvDepthWise.hpp
+++ b/include/aidge/operator/ConvDepthWise.hpp
@@ -128,6 +128,7 @@ inline std::shared_ptr<Node> ConvDepthWise(
 }
 }  // namespace Aidge
 
+extern template class Aidge::ConvDepthWise_Op<1>;
 extern template class Aidge::ConvDepthWise_Op<2>;
 
 namespace {
diff --git a/include/aidge/operator/Pad.hpp b/include/aidge/operator/Pad.hpp
index a4e4ebdce801971de118ca8a263999046a13777d..810464f4d0f26b77c6a517ff99b305b9823e5d4d 100644
--- a/include/aidge/operator/Pad.hpp
+++ b/include/aidge/operator/Pad.hpp
@@ -137,6 +137,9 @@ inline std::shared_ptr<Node> Pad(
 }
 }  // namespace Aidge
 
+extern template class Aidge::Pad_Op<1>;
+extern template class Aidge::Pad_Op<2>;
+
 namespace {
 template <>
 const char *const EnumStrings<Aidge::PadAttr>::data[] = {"BeginEndBorders", "BorderType", "BorderValue"};