diff --git a/src/osgPlugins/ive/CMakeLists.txt b/src/osgPlugins/ive/CMakeLists.txt
index 62460b88b..0912efacc 100644
--- a/src/osgPlugins/ive/CMakeLists.txt
+++ b/src/osgPlugins/ive/CMakeLists.txt
@@ -231,6 +231,7 @@ SET(TARGET_H
     Stencil.h
     Switch.h
     SwitchLayer.h
+    Terrain.h
     TerrainTile.h
     TexEnvCombine.h
     TexEnv.h