diff --git a/simgear/scene/tgdb/CMakeLists.txt b/simgear/scene/tgdb/CMakeLists.txt
index f340727d..ff9dd97f 100644
--- a/simgear/scene/tgdb/CMakeLists.txt
+++ b/simgear/scene/tgdb/CMakeLists.txt
@@ -4,6 +4,7 @@ set(HEADERS
     GroundLightManager.hxx
     ReaderWriterSPT.hxx
     ReaderWriterSTG.hxx
+    SGBuildingBin.hxx
     SGDirectionalLightBin.hxx
     SGLightBin.hxx
     SGModelBin.hxx