diff --git a/include/gfx/main.hpp b/include/gfx/main.hpp
index e9183e56..ad8bd4e4 100644
--- a/include/gfx/main.hpp
+++ b/include/gfx/main.hpp
@@ -21,7 +21,7 @@
 #include "gfx/rgba.hpp"
 
 struct Options {
-	uint8_t reversedWidth = 0; // -r, in pixels
+	uint16_t reversedWidth = 0; // -r, in pixels
 	bool reverse() const { return reversedWidth != 0; }
 
 	bool useColorCurve = false; // -C