diff --git a/lib/jasmine-core/jasmine.js b/lib/jasmine-core/jasmine.js
index f8bb0602..25adbf80 100644
--- a/lib/jasmine-core/jasmine.js
+++ b/lib/jasmine-core/jasmine.js
@@ -7787,7 +7787,7 @@ getJasmineRequireObj().StackTrace = function(j$) {
   }
 
   function messagePrefixLength(message, stackLines) {
-    if (!stackLines[0].match(/^\w*Error/)) {
+    if (!stackLines[0].match(/^Error/)) {
       return 0;
     }