diff --git a/js/views/conversation_view.js b/js/views/conversation_view.js
index 02d0d8f8d..93d7aeae9 100644
--- a/js/views/conversation_view.js
+++ b/js/views/conversation_view.js
@@ -208,6 +208,9 @@
             'dragleave': 'sendToFileInput'
         },
         sendToFileInput: function(e) {
+            if (e.originalEvent.dataTransfer.types[0] != 'Files') {
+                return;
+            }
             this.fileInput.$el.trigger(e);
         },