diff --git a/crates/storage/libmdbx-rs/src/environment.rs b/crates/storage/libmdbx-rs/src/environment.rs
index 5dba20a19b..abb3457c0b 100644
--- a/crates/storage/libmdbx-rs/src/environment.rs
+++ b/crates/storage/libmdbx-rs/src/environment.rs
@@ -8,10 +8,6 @@ use crate::{
 use byteorder::{ByteOrder, NativeEndian};
 use libc::c_uint;
 use mem::size_of;
-#[cfg(unix)]
-use std::os::unix::ffi::OsStrExt;
-#[cfg(windows)]
-use std::os::windows::ffi::OsStrExt;
 use std::{
     ffi::CString,
     fmt,
@@ -457,9 +453,23 @@ where
                     }
                 }
 
-                let path = match CString::new(path.as_os_str().as_bytes()) {
+                #[cfg(unix)]
+                fn path_to_bytes<P: AsRef<Path>>(path: P) -> Vec<u8> {
+                    use std::os::unix::ffi::OsStrExt;
+                    path.as_ref().as_os_str().as_bytes().to_vec()
+                }
+
+                #[cfg(windows)]
+                fn path_to_bytes<P: AsRef<Path>>(path: P) -> Vec<u8> {
+                    // On Windows, could use std::os::windows::ffi::OsStrExt to encode_wide(),
+                    // but we end up with a Vec<u16> instead of a Vec<u8>, so that doesn't
+                    // really help.
+                    path.as_ref().to_string_lossy().to_string().into_bytes()
+                }
+
+                let path = match CString::new(path_to_bytes(path)) {
                     Ok(path) => path,
-                    Err(..) => return Err(crate::Error::Invalid),
+                    Err(_) => return Err(Error::Invalid),
                 };
                 mdbx_result(ffi::mdbx_env_open(
                     env,