diff --git a/core/multi_line_edit_text_view.js b/core/multi_line_edit_text_view.js
index d24ad1c3..ecb25963 100644
--- a/core/multi_line_edit_text_view.js
+++ b/core/multi_line_edit_text_view.js
@@ -301,7 +301,7 @@ function MultiLineEditTextView(options) {
                 }
                 return text;
             })
-            .join();
+            .join('');
     };
 
     this.getContiguousText = function (startIndex, endIndex, includeEol) {