diff --git a/src/osgDB/DatabasePager.cpp b/src/osgDB/DatabasePager.cpp
index 072c14e6b..11fd94773 100644
--- a/src/osgDB/DatabasePager.cpp
+++ b/src/osgDB/DatabasePager.cpp
@@ -45,9 +45,6 @@ DatabasePager::DatabasePager()
 DatabasePager::~DatabasePager()
 {
 
-    // release the frameBlock and _fileRequestListEmptyBlock incase its holding up thread cancelation.
-    _frameBlock->release();
-    _fileRequestListEmptyBlock->release();
 
     //std::cout<<"DatabasePager::~DatabasePager()"<<std::endl;
     if( isRunning() )
@@ -57,6 +54,10 @@ DatabasePager::~DatabasePager()
         cancel();
         //join();
 
+        // release the frameBlock and _fileRequestListEmptyBlock incase its holding up thread cancelation.
+        _frameBlock->release();
+        _fileRequestListEmptyBlock->release();
+
         // then wait for the the thread to stop running.
         while(isRunning())
         {