diff --git a/blockchain/source/truffle.js b/blockchain/source/truffle.js
index 39f244b26..acf5a3128 100644
--- a/blockchain/source/truffle.js
+++ b/blockchain/source/truffle.js
@@ -59,7 +59,7 @@ module.exports = {
     },
     solc: {
         optimizer: {
-            enabled: false,
+            enabled: true,
             runs: 200,
         },
     },