diff --git a/serialization/src/TorchForceProxy.cpp b/serialization/src/TorchForceProxy.cpp
index 840eada..ef548b7 100644
--- a/serialization/src/TorchForceProxy.cpp
+++ b/serialization/src/TorchForceProxy.cpp
@@ -111,7 +111,9 @@ void* TorchForceProxy::deserialize(const SerializationNode& node) const {
     } else {
         const string storedEncodedFile = node.getStringProperty("encodedFileContents");
         string fileName = tmpnam(nullptr); // A unique filename
-        ofstream(fileName) << hexDecode(storedEncodedFile);
+        ofstream ofs = ofstream(fileName, ios::binary);
+        ofs << hexDecode(storedEncodedFile);
+        ofs.close();
         auto model = torch::jit::load(fileName);
         std::remove(fileName.c_str());
         force = new TorchForce(model);