diff --git a/Src/cond.c b/Src/cond.c
index b9a47ce..5eb59b2 100644
--- a/Src/cond.c
+++ b/Src/cond.c
@@ -492,7 +492,7 @@ dolstat(char *s)
 
 
 /*
- * optison returns evalcond-friendly statuses (true, false, error).
+ * optison returns evalcond-friendly statuses (true, false).
  */
 
 /**/
@@ -506,8 +506,7 @@ optison(char *name, char *s)
     else
 	i = optlookup(s);
     if (!i) {
-	zwarnnam(name, "no such option: %s", s);
-	return 2;
+	return 1;
     } else if(i < 0)
 	return !unset(-i);
     else