1 files changed, 4 insertions, 1 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 5ba8d8a..dcd5184 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -198,7 +198,10 @@ impl Engine {
     }
 
     pub fn serialize_to_file(&mut self, file: &str) -> PyResult<()> {
-        let mut fd = fs::File::open(file)?;
+        let mut fd = fs::OpenOptions::new()
+            .create_new(true)
+            .write(true)
+            .open(file)?;
         let data = self.serialize()?;
         fd.write_all(&data)?;
         Ok(())