diff --git a/lib/modules/blockchain_process/simulator.js b/lib/modules/blockchain_process/simulator.js
index 5d03f1ef..2206af47 100644
--- a/lib/modules/blockchain_process/simulator.js
+++ b/lib/modules/blockchain_process/simulator.js
@@ -60,6 +60,13 @@ class Simulator {
       cmds.push("-b \"" + (simulatorBlocktime) +"\"");
     }
 
+    // Setting up network id for simulator from blockchainConfig or options.
+    // Otherwise ganache-cli would make random network id.
+    let networkId = this.blockchainConfig.networkId || options.networkId;
+    if (typeof networkId != 'undefined') {
+      cmds.push("--networkId " + networkId);
+    }
+
     const programName = 'ganache-cli';
     const program = ganache;
     console.log(`running: ${programName} ${cmds.join(' ')}`);