diff --git a/privacyidea/lib/resolvers/LDAPIdResolver.py b/privacyidea/lib/resolvers/LDAPIdResolver.py
index ae9d87764..cfc609931 100644
--- a/privacyidea/lib/resolvers/LDAPIdResolver.py
+++ b/privacyidea/lib/resolvers/LDAPIdResolver.py
@@ -97,11 +97,6 @@
 SERVERPOOL_ROUNDS = 2
 # The number of seconds a non-responding server is removed from the server pool
 SERVERPOOL_SKIP = 30
-# The number of seconds that ldap3 waits if no server is left in the pool, before
-# starting the next round
-pooling_loop_timeout = get_app_config_value("PI_LDAP_POOLING_LOOP_TIMEOUT", 10)
-log.info("Setting system wide POOLING_LOOP_TIMEOUT to {0!s}.".format(pooling_loop_timeout))
-ldap3.set_config_parameter("POOLING_LOOP_TIMEOUT", pooling_loop_timeout)
 
 # 1 sec == 10^9 nano secs == 10^7 * (100 nano secs)
 MS_AD_MULTIPLYER = 10 ** 7
@@ -314,6 +309,11 @@ def __init__(self):
         self.serverpool_rounds = SERVERPOOL_ROUNDS
         self.serverpool_skip = SERVERPOOL_SKIP
         self.serverpool = None
+        # The number of seconds that ldap3 waits if no server is left in the pool, before
+        # starting the next round
+        pooling_loop_timeout = get_app_config_value("PI_LDAP_POOLING_LOOP_TIMEOUT", 10)
+        log.info("Setting system wide POOLING_LOOP_TIMEOUT to {0!s}.".format(pooling_loop_timeout))
+        ldap3.set_config_parameter("POOLING_LOOP_TIMEOUT", pooling_loop_timeout)
 
     def checkPass(self, uid, password):
         """