diff --git a/src/fontcache.cpp b/src/fontcache.cpp
index 8e584ac427..fb1d757c62 100644
--- a/src/fontcache.cpp
+++ b/src/fontcache.cpp
@@ -129,7 +129,7 @@ void SetFont(FontSize fontsize, const std::string &font, uint size)
 		InitFontCache(true);
 	}
 
-	LoadStringWidthTable();
+	LoadStringWidthTable(fontsize == FS_MONO);
 	UpdateAllVirtCoords();
 	ReInitAllWindows(true);