diff --git a/src/dice.h b/src/dice.h
index c153f7c..fe0bc23 100644
--- a/src/dice.h
+++ b/src/dice.h
@@ -10,6 +10,7 @@
 enum die_type {
 	COIN = 2,
 	D4 = 4,
+	D6 = 6,
 	D8 = 8,
 	D10 = 10,
 	D12 = 12,