diff --git a/run.js b/run.js
index a801931299ec64f1b7cfb05010d1cc411bf95da3..0dcb383d4746d488dc9712dd05d41a9b60253864 100755
--- a/run.js
+++ b/run.js
@@ -51,7 +51,7 @@ require('./libs/logging.js').enableConsoleLogging();
 var configuration = require('./libs/configuration.js');
 
 
-var PRIMARY_HOST = "127.0.0.1";
+var PRIMARY_HOST = process.env.IP_ADDRESS || "127.0.0.1";
 
 var boundServers = [ ];