diff --git a/esphome/components/font/__init__.py b/esphome/components/font/__init__.py
index 22a5f6b2c5..a803c7567b 100644
--- a/esphome/components/font/__init__.py
+++ b/esphome/components/font/__init__.py
@@ -235,7 +235,7 @@ FILE_SCHEMA = cv.Schema(_file_schema)
 
 
 DEFAULT_GLYPHS = (
-    ' !"%()+=,-.:/0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz°'
+    ' !"%()+=,-.:/?0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz°'
 )
 CONF_RAW_GLYPH_ID = "raw_glyph_id"