diff --git a/src/tests/test_ldapauth.py b/src/tests/test_ldapauth.py
index 5e741fe0f..0ec0346da 100644
--- a/src/tests/test_ldapauth.py
+++ b/src/tests/test_ldapauth.py
@@ -78,7 +78,7 @@ def test_authenticate_server_down(mocker):
 
 def test_authenticate_change_password():
 
-    LDAPAuth().authenticate_credentials(credentials="yunohost")
+    LDAPAuth().authenticate_credentials(credentials="alice:Yunohost")
 
     tools_rootpw("plopette", check_strength=False)
 
diff --git a/src/utils/ldap.py b/src/utils/ldap.py
index 28ff8eebe..627ab4e7a 100644
--- a/src/utils/ldap.py
+++ b/src/utils/ldap.py
@@ -84,7 +84,7 @@ class LDAPInterface:
     def connect(self):
         def _reconnect():
             con = ldap.ldapobject.ReconnectLDAPObject(
-                self.uri, retry_max=10, retry_delay=0.5
+                self.uri, retry_max=10, retry_delay=2
             )
             con.sasl_non_interactive_bind_s("EXTERNAL")
             return con