diff --git a/include/aidge/operator/Slice.hpp b/include/aidge/operator/Slice.hpp
index de4207fedd7da627bdb18992c31bb923d9ac7782..a80bac8d9097a91088ead24af2651548e09a8b75 100644
--- a/include/aidge/operator/Slice.hpp
+++ b/include/aidge/operator/Slice.hpp
@@ -29,17 +29,17 @@ enum class SliceAttr { Starts, Ends, Axes };
 class Slice_Op
     : public OperatorTensor,
       public Registrable<Slice_Op, std::string, std::unique_ptr<OperatorImpl>(const Slice_Op &)>,
-      public StaticAttributes<SliceAttr, std::vector<int>, std::vector<int>, std::vector<int>> {
+      public StaticAttributes<SliceAttr, std::vector<std::int32_t>, std::vector<std::int32_t>, std::vector<std::int32_t>> {
 public:
     static const std::string Type;
 
     Slice_Op() = delete;
 
-    using Attributes_ = StaticAttributes<SliceAttr, std::vector<int>, std::vector<int>, std::vector<int>>;
+    using Attributes_ = StaticAttributes<SliceAttr, std::vector<std::int32_t>, std::vector<std::int32_t>, std::vector<std::int32_t>>;
     template <SliceAttr e>
     using attr = typename Attributes_::template attr<e>;
 
-    Slice_Op(const std::vector<int>& starts, const std::vector<int>&  ends, const std::vector<int>& axes)
+    Slice_Op(const std::vector<std::int32_t>& starts, const std::vector<std::int32_t>&  ends, const std::vector<std::int32_t>& axes)
         : OperatorTensor(Type, 1, 0, 1),
           Attributes_(attr<SliceAttr::Starts>(starts),
                       attr<SliceAttr::Ends>(ends),
@@ -85,9 +85,9 @@ public:
 };
 
 
-inline std::shared_ptr<Node> Slice(const std::vector<int> starts,
-                                   const std::vector<int> ends,
-                                   const std::vector<int> axes, 
+inline std::shared_ptr<Node> Slice(const std::vector<std::int32_t> starts,
+                                   const std::vector<std::int32_t> ends,
+                                   const std::vector<std::int32_t> axes, 
                                    const std::string &name = "") {
     // FIXME: properly handle default w&b initialization in every cases
     return std::make_shared<Node>(std::make_shared<Slice_Op>(starts, ends, axes), name);
diff --git a/src/operator/Slice.cpp b/src/operator/Slice.cpp
index 63e1048b942f05b43303c3f28465f79821d4ae01..3849f2a17edef1166a3a1ff56679785f354abb2c 100644
--- a/src/operator/Slice.cpp
+++ b/src/operator/Slice.cpp
@@ -32,9 +32,9 @@ void Aidge::Slice_Op::computeOutputDims() {
     for(std::size_t i=0; i<nbAxes;++i)
     {
         // For each slice operation get the params and cast them to size_t
-        int axis_ = this->template getAttr<SliceAttr::Axes>()[i];
-        int start_ = this->template getAttr<SliceAttr::Starts>()[i];
-        int end_ = this->template getAttr<SliceAttr::Ends>()[i];
+        std::int64_t axis_ = this->template getAttr<SliceAttr::Axes>()[i];
+        std::int64_t start_ = this->template getAttr<SliceAttr::Starts>()[i];
+        std::int64_t end_ = this->template getAttr<SliceAttr::Ends>()[i];
         std::size_t axis = axis_>=0?axis_:axis_+getInput(0)->nbDims();
         std::size_t start = start_>=0?start_:start_+getInput(0)->dims()[axis];
         std::size_t end = end_>=0?end_:end_+getInput(0)->dims()[axis];