diff --git a/src/objnam.c b/src/objnam.c
index 58f257303..72670149b 100644
--- a/src/objnam.c
+++ b/src/objnam.c
@@ -4208,7 +4208,7 @@ struct obj *otmp;
 char *buf;
 {
     if (otmp && buf && otmp->globby && otmp->quan == 1L) {
-        Sprintf(buf, "%ld aum, ", otmp->owt);
+        Sprintf(buf, "%d aum, ", (int) otmp->owt);
         return buf;
     }
     return "";