diff --git a/src/osgDB/DatabasePager.cpp b/src/osgDB/DatabasePager.cpp
index 1382e0d48..c041353b1 100644
--- a/src/osgDB/DatabasePager.cpp
+++ b/src/osgDB/DatabasePager.cpp
@@ -48,6 +48,8 @@ static osg::ApplicationUsageProxy DatabasePager_e7(osg::ApplicationUsage::ENVIRO
 static osg::ApplicationUsageProxy DatabasePager_e8(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_EXPIRY_FRAMES <int> ","Set number of frames a PagedLOD child is kept in memory, without being used, before its tagged as expired, and ear marked to deletion.");
 static osg::ApplicationUsageProxy DatabasePager_e9(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_RELEASE_DELAY <float> ","Set the length of time a PagedLOD child's OpenGL objects are kept in memory, without being used, before be released (setting to OFF disables this feature.)");
 static osg::ApplicationUsageProxy DatabasePager_e10(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_RELEASE_FRAMES <int> ","Set number of frames a PagedLOD child's OpenGL objects are kept in memory, without being used, before be released.");
+static osg::ApplicationUsageProxy DatabasePager_e11(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_MAX_PAGEDLOD <num>","Set the target maximum number of PagedLOD to maintain.");
+
 // Convert function objects that take pointer args into functions that a
 // reference to an osg::ref_ptr. This is quite useful for doing STL
 // operations on lists of ref_ptr. This code assumes that a function