diff --git a/engines/sci/graphics/ports.cpp b/engines/sci/graphics/ports.cpp
index aed867b6045..7dddbbb55c2 100644
--- a/engines/sci/graphics/ports.cpp
+++ b/engines/sci/graphics/ports.cpp
@@ -410,7 +410,7 @@ void GfxPorts::openPort(Port *port) {
 	port->left = 0;
 	port->greyedOutput = false;
 	port->penClr = 0;
-	port->backClr = 255;
+	port->backClr = _screen->getColorWhite();
 	port->penMode = 0;
 	port->rect = _bounds;
 }