diff --git a/product/ERP5Form/PreferenceTool.py b/product/ERP5Form/PreferenceTool.py
index de467ab83dbfd769f8acf7167c5077a75772a389..8ece19a1b76751eb421c4aa346d8f4205d9c4148 100755
--- a/product/ERP5Form/PreferenceTool.py
+++ b/product/ERP5Form/PreferenceTool.py
@@ -135,8 +135,8 @@ class PreferenceTool(BaseTool):
   security.declareProtected(Permissions.View, "getPreference")
   def getPreference(self, pref_name) :
     """ get the preference on the most appopriate Preference object. """
-    LOG("PreferenceTool", PROBLEM, 'calling getPreference directly on the tool' +
-                                   'is deprecated, no caching happens !')
+    LOG("PreferenceTool", PROBLEM, 'calling getPreference directly on the '+
+                                   'tool is deprecated, no caching happens !')
     def _getPreference(pref_name="") :
       found = 0
       MARKER = []