1 files changed, 1 insertions, 1 deletions
diff --git a/video.c b/video.c
index 0978d09..e8b47b4 100644
--- a/video.c
+++ b/video.c
@@ -3140,7 +3140,7 @@ render_scanline_window_builder(bitmap);
 
 static const u32 active_layers[6] = { 0x1F, 0x17, 0x1C, 0x14, 0x14, 0x14 };
 
-void update_scanline()
+void update_scanline(void)
 {
   u32 pitch = get_screen_pitch();
   u32 dispcnt = io_registers[REG_DISPCNT];