diff --git a/index.js b/index.js
index eaa6107..1e04362 100644
--- a/index.js
+++ b/index.js
@@ -12,8 +12,8 @@ bitcore.versionGuard = function(version) {
     throw new Error(message);
   }
 };
-bitcore.versionGuard(global._bitcore);
-global._bitcore = bitcore.version;
+bitcore.versionGuard(global._bitcoreCash);
+global._bitcoreCash = bitcore.version;
 
 // crypto
 bitcore.crypto = {};