diff --git a/src/operator/Split.cpp b/src/operator/Split.cpp
index 0ea2f8c2336c8eb3a00a069da3059103452fec9b..af7474d8a21db9ece237440b46ecf57db9b270b4 100644
--- a/src/operator/Split.cpp
+++ b/src/operator/Split.cpp
@@ -78,6 +78,7 @@ bool Aidge::Split_Op::forwardDims(bool allowDataDependency) {
             }
 
             std::shared_ptr<Tensor> fallback;
+            this->split().clear(); // If both are provided input would override attrs
             this->split().reserve(getInput(1)->size());
             const auto& splits = getInput(1)->refCastFrom(fallback, NativeType<DimSize_t>::type, "cpu");
             std::copy_n(static_cast<DimSize_t*>(splits.getImpl()->hostPtr()),