--- IfDefinedPlugin_installer.orig	2008-02-05 13:42:18.000000000 +0100
+++ IfDefinedPlugin_installer	2008-02-05 13:42:38.000000000 +0100
@@ -97,7 +97,7 @@
 }
 
 TWiki::Extender::install(
-    '%$PACKAGES_URL%', 'IfDefinedPlugin', 'IfDefinedPlugin', @DATA);
+    $PACKAGES_URL, 'IfDefinedPlugin', 'IfDefinedPlugin', @DATA);
 
 1;