diff --git a/dfhack/CMakeLists.txt b/dfhack/CMakeLists.txt
index 42965c3f4..a722f6e62 100644
--- a/dfhack/CMakeLists.txt
+++ b/dfhack/CMakeLists.txt
@@ -46,6 +46,7 @@ modules/Constructions.cpp
 
 modules/Position_C.cpp
 modules/Gui_C.cpp
+modules/Materials_C.cpp
 )
 
 SET(PROJECT_HDRS_LINUX