diff -up Clementine-fb00835468295925a6945a286406a2eec6bdb67a/src/CMakeLists.txt.udisks Clementine-fb00835468295925a6945a286406a2eec6bdb67a/src/CMakeLists.txt
--- Clementine-fb00835468295925a6945a286406a2eec6bdb67a/src/CMakeLists.txt.udisks	2018-10-05 11:56:49.000000000 +0200
+++ Clementine-fb00835468295925a6945a286406a2eec6bdb67a/src/CMakeLists.txt	2018-10-21 00:36:08.950165997 +0200
@@ -946,6 +946,8 @@ if(HAVE_DBUS)
   list(APPEND HEADERS ${CMAKE_CURRENT_BINARY_DIR}/dbus/avahientrygroup.h)
   list(APPEND SOURCES ${CMAKE_CURRENT_BINARY_DIR}/dbus/avahientrygroup.cpp)
 
+  set_source_files_properties( dbus/org.freedesktop.UDisks.xml dbus/org.freedesktop.UDisks.Device.xml PROPERTIES NO_NAMESPACE TRUE)
+
   # DeviceKit DBUS interfaces
   if(HAVE_DEVICEKIT)
     set_source_files_properties(dbus/org.freedesktop.UDisks.xml