diff --git a/ui/drivers/ui_cocoatouch.m b/ui/drivers/ui_cocoatouch.m
index e9b6fdb570..6bda0ac67b 100644
--- a/ui/drivers/ui_cocoatouch.m
+++ b/ui/drivers/ui_cocoatouch.m
@@ -37,6 +37,9 @@ static CFRunLoopObserverRef iterate_observer;
 
 /* forward declaration */
 void apple_rarch_exited(void);
+#ifdef HAVE_BTSTACK
+void btpad_set_inquiry_state(bool on);
+#endif
 
 static void rarch_enable_ui(void)
 {