diff --git a/backend_xmmsclient++/wscript b/backend_xmmsclient++/wscript
index dcad64c..f426cde 100644
--- a/backend_xmmsclient++/wscript
+++ b/backend_xmmsclient++/wscript
@@ -57,5 +57,6 @@ def build(bld):
     obj.source          = lib_source
     obj.uselib          = 'QTCORE QTGUI XMMS2-CLIENT-CPP'
     obj.export_incdirs  = '.'
+    obj.cxxflags = ['-DBOOST_VARIANT_USE_RELAXED_GET_BY_DEFAULT']
     pass
 
diff --git a/src/wscript b/src/wscript
index a0b3329..1a40a77 100644
--- a/src/wscript
+++ b/src/wscript
@@ -100,5 +100,6 @@ def build(bld):
     obj.uselib_local = 'backend_lib dir_iterator'
     obj.add_objects  = 'promoe_data'
     obj.uselib       = 'QTCORE QTGUI AVAHI-CLIENT AVAHI-QT4'
+    obj.cxxflags = ['-DBOOST_VARIANT_USE_RELAXED_GET_BY_DEFAULT']
     pass