diff --git a/Cargo.toml b/Cargo.toml
index 3d7cea8..b9b58e1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "lsm-tree"
 description = "A K.I.S.S. implementation of log-structured merge trees (LSM-trees/LSMTs)"
 license = "MIT OR Apache-2.0"
-version = "0.6.4"
+version = "0.6.5"
 edition = "2021"
 rust-version = "1.74.0"
 readme = "README.md"
diff --git a/src/file.rs b/src/file.rs
index 5c8ee69..27186de 100644
--- a/src/file.rs
+++ b/src/file.rs
@@ -43,6 +43,7 @@ pub fn fsync_directory<P: AsRef<Path>>(path: P) -> std::io::Result<()> {
 #[cfg(target_os = "windows")]
 pub fn fsync_directory<P: AsRef<Path>>(path: P) -> std::io::Result<()> {
     // Cannot fsync directory on Windows
+    Ok(())
 }
 
 #[cfg(test)]