diff --git a/C/test.c b/C/test.c
index ff9f87a..bf1c470 100644
--- a/C/test.c
+++ b/C/test.c
@@ -21,7 +21,7 @@ int main(void)
         btui_flush(bt);
 
         int mouse_x = -1, mouse_y = -1;
-        int key = btui_getkey(bt, 0, &mouse_x, &mouse_y);
+        int key = btui_getkey(bt, -1, &mouse_x, &mouse_y);
         btui_clear_screen(bt);
         switch (key) {
             case 'q': case KEY_CTRL_C: done = 1; break;