diff --git a/src/engrave.c b/src/engrave.c
index a1fa986e4..a66373324 100644
--- a/src/engrave.c
+++ b/src/engrave.c
@@ -287,7 +287,8 @@ int cnt;
 
 void
 wipe_engr_at(x, y, cnt, magical)
-xchar x, y, cnt, magical;
+xchar x, y, cnt;
+boolean magical;
 {
     register struct engr *ep = engr_at(x, y);