2 files changed, 3 insertions, 1 deletions

diff --git a/uisimulator/common/sim_tasks.c b/uisimulator/common/sim_tasks.c
index 839ad828b8..6662b28767 100644
--- a/uisimulator/common/sim_tasks.c
+++ b/uisimulator/common/sim_tasks.c
@@ -222,7 +222,7 @@ void usb_wait_for_disconnect(struct event_queue *q)
 
 static bool is_ext_inserted;
 
-#ifdef HAVE_MULTIDRIVE
+#ifdef HAVE_HOTSWAP
 void sim_trigger_external(bool inserted)
 {
     is_ext_inserted = inserted;
diff --git a/uisimulator/common/sim_tasks.h b/uisimulator/common/sim_tasks.h
index 689a4a8566..cfe3e71c3a 100644
--- a/uisimulator/common/sim_tasks.h
+++ b/uisimulator/common/sim_tasks.h
@@ -28,7 +28,9 @@
 void sim_tasks_init(void);
 void sim_trigger_screendump(void);
 void sim_trigger_usb(bool inserted);
+#ifdef HAVE_HOTSWAP
 void sim_trigger_external(bool inserted);
+#endif
 void sim_trigger_hp(bool inserted);
 void sim_trigger_lo(bool inserted);
 #endif