diff --git a/docs/changelog/6.x.x.txt b/docs/changelog/6.x.x.txt
index 814aa8533..0d583cf76 100644
--- a/docs/changelog/6.x.x.txt
+++ b/docs/changelog/6.x.x.txt
@@ -63,7 +63,9 @@
    time ago, but the documentation was never updated until now.
  - Created a new pluggable form control backend. See migration.txt for
    details.
-
+ - Changed warning generated when a languagepack misses the makeUrlCompliant
+   procedure to a fatal error, since this will lead to a false url in the asset
+   table.
 
 6.6.5
  - fix [ 1243131 ] In 6.6.4 you cannot upload anything (ebruni/mwilson)
diff --git a/lib/WebGUI/International.pm b/lib/WebGUI/International.pm
index 7512e1af3..01f057600 100644
--- a/lib/WebGUI/International.pm
+++ b/lib/WebGUI/International.pm
@@ -184,7 +184,7 @@ sub makeUrlCompliant {
 	WebGUI::ErrorHandler::warn($cmd." failed to compile because ".$@) if ($@);
 	$cmd = $cmd."::makeUrlCompliant";
 	my $output = eval{&$cmd($url)};	
-	WebGUI::ErrorHandler::warn("Couldn't execute ".$cmd." because ".$@) if ($@);
+	WebGUI::ErrorHandler::fatal("Couldn't execute ".$cmd." because ".$@.". Maybe your languagepack misses the makeUrlCompliant method?") if ($@);
 	return $output;
 }