diff --git a/quantum/vialrgb.h b/quantum/vialrgb.h
index 486a8aa2f7..6e19e57eb3 100644
--- a/quantum/vialrgb.h
+++ b/quantum/vialrgb.h
@@ -2,6 +2,8 @@
 
 #pragma once
 
+#include <inttypes.h>
+
 #define VIALRGB_PROTOCOL_VERSION 1
 
 /* Start at 0x40 in order to not conflict with existing "enum via_lighting_value",