diff --git a/src/ajax.js b/src/ajax.js
index bf81d3a73..9018e1862 100644
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -546,7 +546,7 @@ jQuery.extend({
 					} catch(e) {
 						// We have a parsererror
 						statusText = "parsererror";
-						error = e;
+						error = e.message;
 					}
 				}
 			} else {