1 files changed, 1 insertions, 0 deletions
diff --git a/src/display.cc b/src/display.cc
index 18e88be..faa3d2e 100644
--- a/src/display.cc
+++ b/src/display.cc
@@ -1,5 +1,6 @@
 #include <avr/io.h>
 #include <avr/interrupt.h>
+#include <avr/pgmspace.h>
 #include <stdlib.h>
 
 #include "display.h"