diff --git a/jQuery.clientSideLogging.js b/jQuery.clientSideLogging.js
index 7f30b7c..7218baa 100644
--- a/jQuery.clientSideLogging.js
+++ b/jQuery.clientSideLogging.js
@@ -138,6 +138,10 @@
 				data:_data
 			});
 		} else {
+            if (what.indexOf(defaults.error_url) > 0) {
+                // Prevent trying to send error messages to non existing error_url
+                return;
+            }
 			$.post(url+'format=text&' + defaults.query_var + '=' + what);
 		}
 	};
@@ -193,4 +197,4 @@
 			return (arr ? "[" : "{") + String(json) + (arr ? "]" : "}");
 		}
 	};
-})(jQuery);
\ No newline at end of file
+})(jQuery);