Index: generic/nsf.c
===================================================================
diff -u -rba7fd2903fd9cdb1f5a56b4457863633a3f72273 -r72933eccb9b83346aaf075499d1fc12140f22130
--- generic/nsf.c	(.../nsf.c)	(revision ba7fd2903fd9cdb1f5a56b4457863633a3f72273)
+++ generic/nsf.c	(.../nsf.c)	(revision 72933eccb9b83346aaf075499d1fc12140f22130)
@@ -25527,7 +25527,7 @@
    * During shutdown, no new objects are created, therefore we do not need to
    * to invalidate the cached parsedParamPtr of the classes.
    */
-  if (unlikely(RUNTIME_STATE(interp)->exitHandlerDestroyRound != NSF_EXITHANDLER_OFF)) {
+  if (unlikely(RUNTIME_STATE(interp)->exitHandlerDestroyRound == NSF_EXITHANDLER_OFF)) {
     NsfClasses *dependentSubClasses;
     NsfClasses *clPtr;