diff --git a/src/udl/skel/PHP/pylib/lang_php.py b/src/udl/skel/PHP/pylib/lang_php.py
index a1c1abcc84..7baa657e2a 100644
--- a/src/udl/skel/PHP/pylib/lang_php.py
+++ b/src/udl/skel/PHP/pylib/lang_php.py
@@ -1209,7 +1209,7 @@ def _invalidate_cache_and_rescan_extra_dirs(self, env, pref_name):
             self.mgr.idxr.stage_request(request, 1.0)
 
     def _get_lookback_prefs(self, env):
-        self.calltip_lookback_limit = env.get_pref(self.calltipLookbackLimitPrefName, 200)
+        self.calltip_lookback_limit = env.get_pref(self.calltipLookbackLimitPrefName, self.calltip_lookback_limit)
 
     #---- code browser integration
     cb_import_group_title = "Includes and Requires"