diff --git a/cmake/checks.cmake b/cmake/checks.cmake
index abb844416..29a2f1f7f 100644
--- a/cmake/checks.cmake
+++ b/cmake/checks.cmake
@@ -281,7 +281,7 @@ MACRO(CHECK_LIBRARIES)
 	IF(OPTION_OSGGRAPH)
 	
 		IF(NOT OPENSCENEGRAPH_FOUND)
-			Find_Package(OpenSceneGraph REQUIRED osgDB osgViewer osgGA osgUtil osgFX osgParticle osgShadow osgText)
+			Find_Package(OpenSceneGraph 3.4.0 REQUIRED osgDB osgViewer osgGA osgUtil osgFX osgParticle osgShadow osgText)
 		ENDIF()
 
 		IF(OPENSCENEGRAPH_FOUND)