diff --git a/ttg/CMakeLists.txt b/ttg/CMakeLists.txt
index 900df6519..1918f40fe 100644
--- a/ttg/CMakeLists.txt
+++ b/ttg/CMakeLists.txt
@@ -208,6 +208,7 @@ endif(TARGET Boost::serialization)
 if (TARGET MADworld)
   set(ttg-mad-headers
           ${CMAKE_CURRENT_SOURCE_DIR}/ttg/madness/buffer.h
+          ${CMAKE_CURRENT_SOURCE_DIR}/ttg/madness/device.h
           ${CMAKE_CURRENT_SOURCE_DIR}/ttg/madness/fwd.h
           ${CMAKE_CURRENT_SOURCE_DIR}/ttg/madness/import.h
           ${CMAKE_CURRENT_SOURCE_DIR}/ttg/madness/ttg.h