1 files changed, 1 insertions, 1 deletions

diff --git a/uisimulator/win32/kernel.c b/uisimulator/win32/kernel.c
index 77ae6bffb2..b7c4af1eb1 100644
--- a/uisimulator/win32/kernel.c
+++ b/uisimulator/win32/kernel.c
@@ -94,7 +94,7 @@ void queue_post(struct event_queue *q, int id, void *data)
     set_irq_level(oldlevel);
 }
 
-bool queue_empty(struct event_queue* q)
+bool queue_empty(const struct event_queue* q)
 {
     return ( q->read == q->write );
 }