diff --git a/lib/node/node.js b/lib/node/node.js
index 7dd8461f..292b3b59 100644
--- a/lib/node/node.js
+++ b/lib/node/node.js
@@ -216,7 +216,7 @@ Node.prototype.parseOptions = function parseOptions(options) {
   if (options.fast) {
     options.headers = true;
     options.useCheckpoints = true;
-    options.coinCache = true;
+    options.coinCache = 65000000;
   }
 
   if (options.witness == null)