diff --git a/engines/sci/graphics/screen.cpp b/engines/sci/graphics/screen.cpp
index ea65d118ea5..e77c74bb2a4 100644
--- a/engines/sci/graphics/screen.cpp
+++ b/engines/sci/graphics/screen.cpp
@@ -624,7 +624,7 @@ int GfxScreen::bitsGetDataSize(Common::Rect rect, byte mask) {
 		} else {
 			int rectHeight = _upscaledHeightMapping[rect.bottom] - _upscaledHeightMapping[rect.top];
 			int rectWidth = _upscaledWidthMapping[rect.right] - _upscaledWidthMapping[rect.left];
-			byteCount += rectHeight * rect.width() * rectWidth; // _displayScreen (upscaled hires)
+			byteCount += rectHeight * rectWidth; // _displayScreen (upscaled hires)
 		}
 	}
 	if (mask & GFX_SCREEN_MASK_PRIORITY) {