diff --git a/configure.ac b/configure.ac
index cf326a9..61b2f20 100644
--- a/configure.ac
+++ b/configure.ac
@@ -304,6 +304,7 @@ if test "$need_pthread" = "yes"; then
   AC_CHECK_LIB(pthread, main)
 fi
 AC_CHECK_LIB(gssldap, ldap_gss_bind,[LIBS="-lgssldap $LIBS"],,$LIBS)
+AC_CHECK_LIB(sasl2, sasl_client_init)
 
 AC_CHECK_FUNCS(sasl_auxprop_request)
 AC_CHECK_FUNCS(ldap_init ldap_get_lderrno ldap_parse_result ldap_memfree ldap_controls_free)