diff --git a/src/collective/dms/thesaurus/browser/thesaurusview.py b/src/collective/dms/thesaurus/browser/thesaurusview.py
index ef53ac4..d54867f 100644
--- a/src/collective/dms/thesaurus/browser/thesaurusview.py
+++ b/src/collective/dms/thesaurus/browser/thesaurusview.py
@@ -127,16 +127,17 @@ class ListKeywordsView(BrowserView):
         other = []
         q = query_string.lower()
         regex = re.compile(r"[\s'()]")
-        for normalized, title, id in self.getItems():
+        items = self.getItems()
+        for normalized, title, id in items:
             for term in query_terms:
-                if not term in title.lower():
+                if not term in normalized.lower():
                     break
                 else:
                     item = '%s|%s' % (title, id)
-                    if title.lower().startswith(q):
+                    if normalized.lower().startswith(q):
                         startswith.append((normalized, item))
                         continue
-                    for word in regex.split(title):
+                    for word in regex.split(normalized):
                         if word.lower().startswith(q):
                             intermediate.append((normalized, item))
                             break