--- a/ode/src/collision_kernel.cpp	Tue Aug 31 15:28:30 2010 +0300
+++ b/ode/src/collision_kernel.cpp	Wed Sep 01 12:16:19 2010 +0100
@@ -978,6 +978,8 @@
 EXPORT_C void dInitODE()
 {
 #ifndef __WINSCW__
+    // clean up cached object if there is any.
+    dClearPosrCache();
     Mem::FillZ( GetGlobalData(), sizeof( TOdeStaticData ) );
     GetGlobalData()->autoEnableDepth = 2;
 #endif // !__WINSCW__