diff --git a/src/p_setup.c b/src/p_setup.c
index 28bfa65a5..ed8c5c2e9 100644
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -7375,7 +7375,7 @@ static void P_WriteLetter(void)
 {
 	char *buf, *b;
 
-	if (!unlockables[27].unlocked) // pandora's box
+	if (!unlockables[28].unlocked) // pandora's box
 		return;
 
 	if (modeattacking)