diff --git a/ChangeLog b/ChangeLog
index 9e05548a2..3d0be3178 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2011-12-30  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
+
+	* SoObjects/Contacts/SOGoFolder+CardDAV.m (_isValidFilter:): make
+	use of the lowercase instance of the string, which was erroneously
+	ignored previously.
+
 2011-12-29  Ludovic Marcotte  <lmarcotte@inverse.ca.>
 
 	* SoObjects/SOGo/SOGoSQLUserProfile.m (_sqlJsonRepresentation:):
diff --git a/SoObjects/Contacts/SOGoFolder+CardDAV.m b/SoObjects/Contacts/SOGoFolder+CardDAV.m
index 2f62f1641..dfb761dfa 100644
--- a/SoObjects/Contacts/SOGoFolder+CardDAV.m
+++ b/SoObjects/Contacts/SOGoFolder+CardDAV.m
@@ -118,10 +118,10 @@
 
   newString = [theString lowercaseString];
 
-  return ([theString isEqualToString: @"sn"]
-	  || [theString isEqualToString: @"givenname"]
-	  || [theString isEqualToString: @"mail"]
-	  || [theString isEqualToString: @"telephonenumber"]);
+  return ([newString isEqualToString: @"sn"]
+	  || [newString isEqualToString: @"givenname"]
+	  || [newString isEqualToString: @"mail"]
+	  || [newString isEqualToString: @"telephonenumber"]);
 }
 
 - (NSDictionary *) _parseContactFilter: (id <DOMElement>) filterElement