diff --git a/libraries/libldap_r/thr_stub.c b/libraries/libldap_r/thr_stub.c
index 1922fa2afdc929cb8e40e8e00d2381895e672ca9..2e3b3522fbb6338eb8581dbf399d0f284e187917 100644
--- a/libraries/libldap_r/thr_stub.c
+++ b/libraries/libldap_r/thr_stub.c
@@ -166,6 +166,14 @@ ldap_pvt_thread_pool_submit (
 	return(0);
 }
 
+int
+ldap_pvt_thread_pool_retract (
+	ldap_pvt_thread_pool_t *pool,
+	ldap_pvt_thread_start_t *start_routine, void *arg )
+{
+	return(0);
+}
+
 int
 ldap_pvt_thread_pool_maxthreads ( ldap_pvt_thread_pool_t *tpool, int max_threads )
 {