diff --git a/src/gamedata/fonts/v_font.cpp b/src/gamedata/fonts/v_font.cpp
index 7aff0d8db..9f595788d 100644
--- a/src/gamedata/fonts/v_font.cpp
+++ b/src/gamedata/fonts/v_font.cpp
@@ -122,6 +122,7 @@ static const uint16_t loweruppercase[] = {
 0x0078,0x0058,
 0x0079,0x0059,
 0x007A,0x005A,
+0x00DF,0x1E9E,
 0x00E0,0x00C0,
 0x00E1,0x00C1,
 0x00E2,0x00C2,
diff --git a/wadsrc_extra/static/filter/game-doom/fonts/bigfont/00DF.lmp b/wadsrc_extra/static/filter/game-doom/fonts/bigfont/1E9E.lmp
similarity index 100%
rename from wadsrc_extra/static/filter/game-doom/fonts/bigfont/00DF.lmp
rename to wadsrc_extra/static/filter/game-doom/fonts/bigfont/1E9E.lmp
diff --git a/wadsrc_extra/static/filter/game-heretic/fonts/defbigfont/00DF.lmp b/wadsrc_extra/static/filter/game-heretic/fonts/defbigfont/1E9E.lmp
similarity index 100%
rename from wadsrc_extra/static/filter/game-heretic/fonts/defbigfont/00DF.lmp
rename to wadsrc_extra/static/filter/game-heretic/fonts/defbigfont/1E9E.lmp
diff --git a/wadsrc_extra/static/filter/game-heretic/fonts/defsmallfont/00DF.lmp b/wadsrc_extra/static/filter/game-heretic/fonts/defsmallfont/1E9E.lmp
similarity index 100%
rename from wadsrc_extra/static/filter/game-heretic/fonts/defsmallfont/00DF.lmp
rename to wadsrc_extra/static/filter/game-heretic/fonts/defsmallfont/1E9E.lmp
diff --git a/wadsrc_extra/static/filter/game-hexen/fonts/defbigfont/00DF.lmp b/wadsrc_extra/static/filter/game-hexen/fonts/defbigfont/1E9E.lmp
similarity index 100%
rename from wadsrc_extra/static/filter/game-hexen/fonts/defbigfont/00DF.lmp
rename to wadsrc_extra/static/filter/game-hexen/fonts/defbigfont/1E9E.lmp
diff --git a/wadsrc_extra/static/filter/game-hexen/fonts/defsmallfont/00DF.lmp b/wadsrc_extra/static/filter/game-hexen/fonts/defsmallfont/1E9E.lmp
similarity index 100%
rename from wadsrc_extra/static/filter/game-hexen/fonts/defsmallfont/00DF.lmp
rename to wadsrc_extra/static/filter/game-hexen/fonts/defsmallfont/1E9E.lmp