diff -Naur a/src/factory.cpp b/src/factory.cpp
--- a/src/factory.cpp	2010-02-23 04:55:28.000000000 +0100
+++ b/src/factory.cpp	2013-06-14 21:46:50.803829770 +0200
@@ -35,9 +35,13 @@
 {
     return new Chromi::Factory();
 }
+
+KWIN_EXPORT int decoration_version() {
+    return KWIN_DECORATION_API_VERSION;
+}
 }
 
-                              
+
 namespace Chromi
 {