--- designerPlugin/designerPlugin.pro.orig	2013-06-12 16:17:08.000000000 +0200
+++ designerPlugin/designerPlugin.pro	2013-06-12 16:17:29.000000000 +0200
@@ -20,7 +20,7 @@
   }
 }
 
-target.path = $${PREFIX}/designer
+target.path = @@QT_PLUGINS_DIR@@/designer
 INSTALLS += target
 
 HEADERS = qglviewerPlugin.h