diff --git a/etemplate/js/et2_core_widget.js b/etemplate/js/et2_core_widget.js
index ca62b77309..73f856d5ce 100644
--- a/etemplate/js/et2_core_widget.js
+++ b/etemplate/js/et2_core_widget.js
@@ -747,7 +747,7 @@ var et2_widget = Class.extend(
 				}
 				catch (e)
 				{
-					egw.debug("error", "There was an error with a widget:\nError:%o\nProblem widget:%o",e.message,this._children[i],e.stack);
+					egw.debug("error", "There was an error with a widget:\nError:%o\nProblem widget:%o",e.valueOf(),this._children[i],e.stack);
 				}
 			}
 		}