1 files changed, 1 insertions, 1 deletions

diff --git a/uisimulator/win32/kernel.c b/uisimulator/win32/kernel.c
index 9c82435df2..44ac88ae7c 100644
--- a/uisimulator/win32/kernel.c
+++ b/uisimulator/win32/kernel.c
@@ -86,7 +86,7 @@ void queue_post(struct event_queue *q, int id, void *data)
     int wr;
     int oldlevel;
 
-    oldlevel = set_irq_level(HIGHEST_IRQ_LEVEL);
+    oldlevel = set_irq_level(15<<4);
     wr = (q->write++) & QUEUE_LENGTH_MASK;
 
     q->events[wr].id = id;