diff --git a/src/settings_gui.cpp b/src/settings_gui.cpp
--- a/src/settings_gui.cpp
+++ b/src/settings_gui.cpp
@@ -433,6 +433,7 @@ struct GameOptionsWindow : Window {
 				CheckForMissingGlyphs();
 				ClearAllCachedNames();
 				UpdateAllVirtCoords();
+				CheckBlitter();
 				ReInitAllWindows();
 				break;