diff --git a/wijmo/jquery.wijmo.wijaccordion.js b/wijmo/jquery.wijmo.wijaccordion.js
index 19c1978..8dc9e10 100644
--- a/wijmo/jquery.wijmo.wijaccordion.js
+++ b/wijmo/jquery.wijmo.wijaccordion.js
@@ -359,7 +359,7 @@ amplify*/
 				return false;
 			}
 			if (!this._trigger("beforeSelectedIndexChanged", null,
-					{ newIndex: newIndex, prevIndex: prevIndex })) {
+					{ newIndex: newIndex, prevIndex: prevIndex, newContent: nextContent, prevContent: prevContent })) {
 				return false;
 			}