diff --git a/ESP32-C3_ePaper/src/ePaper.h b/ESP32-C3_ePaper/src/ePaper.h
index dad5c7f33..52552702b 100644
--- a/ESP32-C3_ePaper/src/ePaper.h
+++ b/ESP32-C3_ePaper/src/ePaper.h
@@ -10,6 +10,7 @@
 #include <Fonts/FreeSans9pt7b.h>
 #include <Fonts/FreeSansBold9pt7b.h>
 #include <Fonts/FreeSans12pt7b.h>
+#include <Fonts/FreeMono9pt7b.h>
 #include <Fonts/FreeSerif9pt7b.h>
 #include <Fonts/FreeSerif12pt7b.h>
 #include <Fonts/FreeSerif18pt7b.h>