diff --git a/engines/sci/gui/gui_screen.cpp b/engines/sci/gui/gui_screen.cpp
index 56b221f2dc5..6e1be2a2d65 100644
--- a/engines/sci/gui/gui_screen.cpp
+++ b/engines/sci/gui/gui_screen.cpp
@@ -367,6 +367,7 @@ void SciGuiScreen::debugShowMap(int mapNo) {
 		_activeScreen = _displayScreen;
 		break;
 	}
+	copyToScreen();
 }
 
 } // End of namespace Sci