diff --git a/src/reduce.c b/src/reduce.c
index 72ee3f8a..754b56d0 100644
--- a/src/reduce.c
+++ b/src/reduce.c
@@ -426,7 +426,7 @@ reduce_grammar (void)
   useless_nonterminals ();
   inaccessable_symbols ();
 
-  reduced = (bool) (nuseless_nonterminals + nuseless_productions > 0);
+  reduced = (nuseless_nonterminals + nuseless_productions > 0);
   if (!reduced)
     return;