1 files changed, 1 insertions, 0 deletions

diff --git a/quantum/quantum.h b/quantum/quantum.h
index 69a0d8126..71533f48b 100644
--- a/quantum/quantum.h
+++ b/quantum/quantum.h
@@ -23,6 +23,7 @@
 #include "eeconfig.h"
 #include <stddef.h>
 #include <avr/io.h>
+#include <util/delay.h>
 
 extern uint32_t default_layer_state;