diff --git a/gulpfile.js b/gulpfile.js
index d3257b5d..1fc549d9 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -89,7 +89,7 @@ sources.js = [
     './js/msp/MSPCodes.js',
     './js/msp/MSPHelper.js',
     './js/msp/MSPchainer.js',
-	'./js/ublox/UBLOX.js',
+    './js/ublox/UBLOX.js',
     './js/port_handler.js',
     './js/connection/connection.js',
     './js/connection/connectionBle.js',