diff --git a/app/config.js b/app/config.js
index 6b1dbaa..fb34827 100644
--- a/app/config.js
+++ b/app/config.js
@@ -25,7 +25,7 @@ var cookieSecret = process.env.BTCEXP_COOKIE_SECRET
  || "0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f";
 
 
-var electrumXServerUriStrings = (process.env.BTCEXP_ELECTRUMX_SERVERS || "").split(',');
+var electrumXServerUriStrings = (process.env.BTCEXP_ELECTRUMX_SERVERS || "").split(',').filter(Boolean);
 var electrumXServers = [];
 for (var i = 0; i < electrumXServerUriStrings.length; i++) {
 	var uri = url.parse(electrumXServerUriStrings[i]);