diff --git a/lib/tessel/deployment/rust.js b/lib/tessel/deployment/rust.js
index 88edcbf8..949a25e1 100644
--- a/lib/tessel/deployment/rust.js
+++ b/lib/tessel/deployment/rust.js
@@ -90,7 +90,7 @@ exportables.remoteRustCompilation = function(opts) {
 
     // Check if the URI has a port like localhost:1234
     if (host.includes(':')) {
-      parts = opts.rustCC.split(':');
+      var parts = opts.rustCC.split(':');
       host = parts[0];
       port = parts[1];
     }