diff --git a/src/racket/src/future.c b/src/racket/src/future.c
index acbda3b95c..feafc1e8b6 100644
--- a/src/racket/src/future.c
+++ b/src/racket/src/future.c
@@ -39,7 +39,7 @@ Scheme_Object *scheme_fsemaphore_p(int argc, Scheme_Object *argv[])
 
 static Scheme_Object *futures_enabled(int argc, Scheme_Object *argv[])
 {
-#ifdef MZ_USE_FUTURESRACKET  
+#ifdef MZ_USE_FUTURES
   return scheme_true;
 #else 
   return scheme_false;