diff -r c82a86ea87be -r db677d321cf4 src/main.cpp
--- a/src/main.cpp	Fri Jun 05 18:33:51 2015 +0300
+++ b/src/main.cpp	Fri Jun 05 19:13:44 2015 +0300
@@ -32,6 +32,8 @@
 	app.setApplicationName (UNIXNAME);
 	app.setOrganizationName (UNIXNAME);
 	app.setApplicationVersion (versionString());
+	qRegisterMetaType<ZandronumVersion> ("ZandronumVersion");
+	qRegisterMetaTypeStreamOperators<ZandronumVersion> ("ZandronumVersion");
 
 	for (int i = 1; i < argc; ++i)
 	{