diff --git a/src/osdep/amiberry_gfx.cpp b/src/osdep/amiberry_gfx.cpp
index f4a42d82..497ca16f 100644
--- a/src/osdep/amiberry_gfx.cpp
+++ b/src/osdep/amiberry_gfx.cpp
@@ -1060,7 +1060,7 @@ static int init_colors()
 */
 static int get_display_depth()
 {
-	const auto depth = screen->format->BytesPerPixel == 4 ? 32 : 16;
+	const auto depth = screen->format->BytesPerPixel * 8;
 	return depth;
 }