diff --git a/addon/Tabellio.py b/addon/Tabellio.py
index 2630118..b85ee67 100644
--- a/addon/Tabellio.py
+++ b/addon/Tabellio.py
@@ -761,7 +761,12 @@ class ListStyleApply(unohelper.Base, XJobExecutor):
             if numberingrules is None:
                 numberingrules = textcursor.getPropertyValue('NumberingRules')
                 if numberingrules is None:
+                    log.append('using new numbering rules array')
                     numberingrules = doc.createInstance('com.sun.star.text.NumberingRules')
+                else:
+                    log.append('using numbering rules of current paragraph')
+            else:
+                log.append('using numbering rules of previous paragraph')
             props = numberingrules.getByIndex(level)
             found_bullet_char_prop = False
             found_bullet_fontname_prop = False