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-rw-r--r--cpukit/score/include/rtems/score/context.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/cpukit/score/include/rtems/score/context.h b/cpukit/score/include/rtems/score/context.h
index bd5c3b7126..6b48036480 100644
--- a/cpukit/score/include/rtems/score/context.h
+++ b/cpukit/score/include/rtems/score/context.h
@@ -35,7 +35,7 @@ extern "C" {
* currently executing thread and given to the heir thread.
*/
-SCORE_EXTERN boolean _Context_Switch_necessary;
+SCORE_EXTERN volatile boolean _Context_Switch_necessary;
/*
* _Context_Initialize