diff --git a/src/node_file.cc b/src/node_file.cc
index 974a1f9f5b5702..db364290ce97e9 100644
--- a/src/node_file.cc
+++ b/src/node_file.cc
@@ -1687,7 +1687,7 @@ static void RmSync(const FunctionCallbackInfo<Value>& args) {
   }
 
   // On Windows path::c_str() returns wide char, convert to std::string first.
-  std::string file_path_str = file_path.string();
+  std::string file_path_str = file_path.native();
   const char* path_c_str = file_path_str.c_str();
 #ifdef _WIN32
   int permission_denied_error = EPERM;
@@ -3180,7 +3180,7 @@ static void CpSyncCheckPaths(const FunctionCallbackInfo<Value>& args) {
     // Check if src and dest are identical.
     if (std::filesystem::equivalent(src_path, dest_path)) {
       std::string message = "src and dest cannot be the same %s";
-      return THROW_ERR_FS_CP_EINVAL(env, message.c_str(), dest_path.string());
+      return THROW_ERR_FS_CP_EINVAL(env, message.c_str(), dest_path.native());
     }
 
     const bool dest_is_dir =
@@ -3190,19 +3190,19 @@ static void CpSyncCheckPaths(const FunctionCallbackInfo<Value>& args) {
       std::string message =
           "Cannot overwrite non-directory %s with directory %s";
       return THROW_ERR_FS_CP_DIR_TO_NON_DIR(
-          env, message.c_str(), src_path.string(), dest_path.string());
+          env, message.c_str(), src_path.native(), dest_path.native());
     }
 
     if (!src_is_dir && dest_is_dir) {
       std::string message =
           "Cannot overwrite directory %s with non-directory %s";
       return THROW_ERR_FS_CP_NON_DIR_TO_DIR(
-          env, message.c_str(), dest_path.string(), src_path.string());
+          env, message.c_str(), dest_path.native(), src_path.native());
     }
   }
 
-  std::string dest_path_str = dest_path.string();
-  std::string src_path_str = src_path.string();
+  std::string dest_path_str = dest_path.native();
+  std::string src_path_str = src_path.native();
   if (!src_path_str.ends_with(std::filesystem::path::preferred_separator)) {
     src_path_str += std::filesystem::path::preferred_separator;
   }