diff --git a/src/lib/commands/cons.c b/src/lib/commands/cons.c
index e0f8b946..b7ba0962 100644
--- a/src/lib/commands/cons.c
+++ b/src/lib/commands/cons.c
@@ -90,10 +90,9 @@ cons(void)
 	rv = postpone(&ltc);
 	break;
     default:
-	pr("Bad operation %c from cons_choose; get help!\n", ltc.op);
-	break;
-    };
-
+	CANT_REACH();
+	return RET_SYN;
+    }
     return rv;
 }