diff --git a/include/extractor/files.hpp b/include/extractor/files.hpp
index da4d9d96e..dd5793905 100644
--- a/include/extractor/files.hpp
+++ b/include/extractor/files.hpp
@@ -439,6 +439,24 @@ void writeNames(const boost::filesystem::path &path, const NameTableT &table)
 
     serialization::write(writer, "/common/names", table);
 }
+
+template <typename NodeWeigtsVectorT>
+void readEdgeBasedNodeWeights(const boost::filesystem::path &path, NodeWeigtsVectorT &weights)
+{
+    const auto fingerprint = storage::tar::FileReader::VerifyFingerprint;
+    storage::tar::FileReader reader{path, fingerprint};
+
+    storage::serialization::read(reader, "/extractor/edge_based_node_weights", weights);
+}
+
+template <typename NodeWeigtsVectorT>
+void writeEdgeBasedNodeWeights(const boost::filesystem::path &path, const NodeWeigtsVectorT &weights)
+{
+    const auto fingerprint = storage::tar::FileWriter::GenerateFingerprint;
+    storage::tar::FileWriter writer{path, fingerprint};
+
+    storage::serialization::write(writer, "/extractor/edge_based_node_weights", weights);
+}
 }
 }
 }
diff --git a/src/contractor/contractor.cpp b/src/contractor/contractor.cpp
index 3aa874d39..45a0ce036 100644
--- a/src/contractor/contractor.cpp
+++ b/src/contractor/contractor.cpp
@@ -63,11 +63,7 @@ int Contractor::Run()
 
     util::Log() << "Reading node weights.";
     std::vector<EdgeWeight> node_weights;
-    {
-        storage::io::FileReader reader(config.GetPath(".osrm.enw"),
-                                       storage::io::FileReader::VerifyFingerprint);
-        storage::serialization::read(reader, node_weights);
-    }
+    extractor::files::readEdgeBasedNodeWeights(config.GetPath(".osrm.enw"), node_weights);
     util::Log() << "Done reading node weights.";
 
     util::Log() << "Loading edge-expanded graph representation";
diff --git a/src/extractor/extractor.cpp b/src/extractor/extractor.cpp
index 07b80a8ca..54a75704f 100644
--- a/src/extractor/extractor.cpp
+++ b/src/extractor/extractor.cpp
@@ -325,11 +325,7 @@ int Extractor::run(ScriptingEnvironment &scripting_environment)
 
     util::Log() << "Saving edge-based node weights to file.";
     TIMER_START(timer_write_node_weights);
-    {
-        storage::io::FileWriter writer(config.GetPath(".osrm.enw"),
-                                       storage::io::FileWriter::GenerateFingerprint);
-        storage::serialization::write(writer, edge_based_node_weights);
-    }
+    extractor::files::writeEdgeBasedNodeWeights(config.GetPath(".osrm.enw"), edge_based_node_weights);
     TIMER_STOP(timer_write_node_weights);
     util::Log() << "Done writing. (" << TIMER_SEC(timer_write_node_weights) << ")";