diff --git a/js/default/monstaftp_ajax.js b/js/default/monstaftp_ajax.js
index 6df46ad1..8143bee7 100644
--- a/js/default/monstaftp_ajax.js
+++ b/js/default/monstaftp_ajax.js
@@ -981,8 +981,8 @@ function showFileContextMenu(e,file,folder,isLin) {
     editableExts[14] = 'properties';
     editableExts[15] = 'example';
     editableExts[16] = 'yml';
-    editableExts[16] = 'yaml';
-    editableExts[17] = 'json';
+    editableExts[17] = 'yaml';
+    editableExts[18] = 'json';
 
 	globalContextHeight=12; // top and bottom padding
 	// Set function for paste