diff --git a/src/java/davmail/http/DavGatewayHttpClientFacade.java b/src/java/davmail/http/DavGatewayHttpClientFacade.java
index 071b515d..2bbc5a07 100644
--- a/src/java/davmail/http/DavGatewayHttpClientFacade.java
+++ b/src/java/davmail/http/DavGatewayHttpClientFacade.java
@@ -388,7 +388,7 @@ public final class DavGatewayHttpClientFacade {
         // do not follow redirects in expired sessions
         method.setFollowRedirects(followRedirects);
         int status = httpClient.executeMethod(method);
-        if (status == HttpStatus.SC_UNAUTHORIZED & !hasNTLM(httpClient)) {
+        if (status == HttpStatus.SC_UNAUTHORIZED && !hasNTLM(httpClient)) {
             method.releaseConnection();
             LOGGER.debug("Received unauthorized at " + method.getURI() + ", retrying with NTLM");
             addNTLM(httpClient);
diff --git a/src/java/davmail/http/SunPKCS11ProviderHandler.java b/src/java/davmail/http/SunPKCS11ProviderHandler.java
index e36a5158..dd7fef43 100644
--- a/src/java/davmail/http/SunPKCS11ProviderHandler.java
+++ b/src/java/davmail/http/SunPKCS11ProviderHandler.java
@@ -27,7 +27,7 @@ import java.io.ByteArrayInputStream;
 /**
  * Add the SunPKCS11 Provider.
  */
-public class SunPKCS11ProviderHandler {
+public final class SunPKCS11ProviderHandler {
 
     private SunPKCS11ProviderHandler() {
     }