diff --git a/jams-server/src/main/java/net/jami/jams/server/Server.java b/jams-server/src/main/java/net/jami/jams/server/Server.java
index 49c01881c622144281919fd76c940119cd9e55d2..f6a36edf69bb3386601402a4ddfda08cb471f94b 100644
--- a/jams-server/src/main/java/net/jami/jams/server/Server.java
+++ b/jams-server/src/main/java/net/jami/jams/server/Server.java
@@ -57,11 +57,11 @@ public class Server {
         try {
             InputStream path;
             ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
-            path = classLoader.getResourceAsStream("adsampleconfig.json");
-            userAuthenticationModule.attachADAuthSource(new String(path.readAllBytes()));
+            path = classLoader.getResourceAsStream("ldapconfig.json");
+            userAuthenticationModule.attachLDAPAuthSource(new String(path.readAllBytes()));
             UserProfile[] userProfile = userAuthenticationModule.getAuthenticationSources()
-                    .get(new AuthModuleKey("SAVOIRFAIRELINU", AuthenticationSourceType.AD))
-                    .getUserProfile("Sidokhine","FULL_TEXT_NAME");
+                    .get(new AuthModuleKey("savoirfairelinux", AuthenticationSourceType.LDAP))
+                    .getUserProfile("Félix","FULL_TEXT_NAME");
             System.out.println(userProfile[0]);
         } catch (Exception e) {
             log.error("Could not load and inject active directory connector with error: " + e.toString());
diff --git a/ldap-connector/src/main/java/net/jami/jams/ldap/connector/service/UserProfileService.java b/ldap-connector/src/main/java/net/jami/jams/ldap/connector/service/UserProfileService.java
index 1f1f04710a7cedb85b9eae15a5aac2d74b88afce..e0334e154e01efe62f5abdc48a777e495f5d74a2 100644
--- a/ldap-connector/src/main/java/net/jami/jams/ldap/connector/service/UserProfileService.java
+++ b/ldap-connector/src/main/java/net/jami/jams/ldap/connector/service/UserProfileService.java
@@ -5,6 +5,9 @@ import net.jami.jams.common.objects.user.UserProfile;
 import net.jami.jams.ldap.connector.LDAPConnector;
 import org.ldaptive.*;
 
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.text.Normalizer;
 import java.util.HashMap;
 
 @Slf4j
@@ -33,6 +36,7 @@ public class UserProfileService {
         UserProfile[] profiles = null;
         Connection connection = null;
         try {
+            queryString = URLEncoder.encode(queryString,StandardCharsets.UTF_8).replace("%","\\");
             connection = connectionFactory.getConnection();
             try {
                 connection.open();