diff --git a/src/ConfigChanges/ConfigFile.js b/src/ConfigChanges/ConfigFile.js
index d48b29d..b346978 100644
--- a/src/ConfigChanges/ConfigFile.js
+++ b/src/ConfigChanges/ConfigFile.js
@@ -69,7 +69,7 @@
     var ext = path.extname(filepath);
     // Windows8 uses an appxmanifest, and wp8 will likely use
     // the same in a future release
-    if (ext === '.xml' || ext === '.appxmanifest' || ext === '.storyboard') {
+    if (ext === '.xml' || ext === '.appxmanifest' || ext === '.storyboard' || ext === '.jsproj') {
         self.type = 'xml';
         self.data = modules.xml_helpers.parseElementtreeSync(filepath);
     } else {