diff --git a/src/osgUI/CMakeLists.txt b/src/osgUI/CMakeLists.txt
index 146d74c5d..f081a7157 100644
--- a/src/osgUI/CMakeLists.txt
+++ b/src/osgUI/CMakeLists.txt
@@ -31,6 +31,7 @@ SET(TARGET_SRC
 
 SET(TARGET_LIBRARIES
     osgDB
+    osgGA
     osgUtil
     osgText
     osg