diff --git a/src/app/editor/example-contracts.js b/src/app/editor/example-contracts.js
index 6fdd16e246..517fa1db69 100644
--- a/src/app/editor/example-contracts.js
+++ b/src/app/editor/example-contracts.js
@@ -1,6 +1,7 @@
 'use strict'
 
-var ballot = `contract Ballot {
+var ballot = `pragma solidity >=0.4.22 <0.6.0;
+contract Ballot {
 
     struct Voter {
         uint weight;