diff --git a/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/internal/KubeConfigUtils.java b/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/internal/KubeConfigUtils.java
index c8dc6bb5bc..e380f95738 100644
--- a/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/internal/KubeConfigUtils.java
+++ b/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/internal/KubeConfigUtils.java
@@ -32,7 +32,6 @@
 import org.slf4j.LoggerFactory;
 
 import java.io.File;
-import java.io.FileWriter;
 import java.io.IOException;
 import java.io.InputStream;
 import java.nio.file.Files;
@@ -181,10 +180,8 @@ public static int getNamedUserIndexFromConfig(Config config, String userName) {
    * @param kubeConfigPath path to KUBECONFIG
    * @throws IOException in case of failure while writing to file
    */
-  public static void persistKubeConfigIntoFile(Config kubeConfig, String kubeConfigPath) throws IOException {
-    try (FileWriter writer = new FileWriter(kubeConfigPath)) {
-      writer.write(Serialization.asYaml(kubeConfig));
-    }
+  public static void persistKubeConfigIntoFile(Config kubeConfig, File kubeConfigPath) throws IOException {
+    Files.writeString(kubeConfigPath.toPath(), Serialization.asYaml(kubeConfig));
   }
 
   public static void merge(io.fabric8.kubernetes.client.Config clientConfig, Config kubeConfig, String context) {
diff --git a/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/utils/OpenIDConnectionUtils.java b/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/utils/OpenIDConnectionUtils.java
index 1f76f38922..e45f01397d 100644
--- a/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/utils/OpenIDConnectionUtils.java
+++ b/kubernetes-client-api/src/main/java/io/fabric8/kubernetes/client/utils/OpenIDConnectionUtils.java
@@ -215,7 +215,7 @@ public static OAuthToken persistOAuthToken(Config currentConfig, OAuthToken oAut
         if (Utils.isNotNullOrEmpty(token)) {
           namedAuthInfo.getUser().setToken(token);
         }
-        KubeConfigUtils.persistKubeConfigIntoFile(kubeConfig, currentConfig.getFile().getAbsolutePath());
+        KubeConfigUtils.persistKubeConfigIntoFile(kubeConfig, currentConfig.getFile());
       } catch (Exception ex) {
         LOGGER.warn("oidc: failure while persisting new tokens into KUBECONFIG", ex);
       }