diff --git a/test/lib/helpers.js b/test/lib/helpers.js
index 11471a2b..b72bb294 100644
--- a/test/lib/helpers.js
+++ b/test/lib/helpers.js
@@ -316,7 +316,8 @@ function compareItems(item, item2, checkIdentity) {
 				return item.point != item2.point;
 			}, true);
 		}
-		equals(item.point.toString(), item2.point.toString(), checkIdentity);
+		equals(item.point.toString(), item2.point.toString(),
+				'Compare Item#point');
 	}
 
 	if (item.style) {