diff --git a/core/modules/startup/render.js b/core/modules/startup/render.js
index 7e4a15cff..4b3561b0e 100644
--- a/core/modules/startup/render.js
+++ b/core/modules/startup/render.js
@@ -98,8 +98,8 @@ exports.startup = function() {
 		}
 		styleDeferredChanges = Object.create(null);
 	}
-	var mainThrottledRefresh = $tw.perf.report("throttledRefresh",refresh),
-		styleThrottledRefresh = $tw.perf.report("throttledRefresh",styleRefresh);
+	var mainThrottledRefresh = $tw.perf.report("throttledMainRefresh",refresh),
+		styleThrottledRefresh = $tw.perf.report("throttledStyleRefresh",styleRefresh);
 	$tw.wiki.addEventListener("change",$tw.perf.report("styleRefresh",function(changes) {
 		throttledRefreshFn(changes,styleDeferredChanges,styleTimerId,styleThrottledRefresh,styleRefresh,false,true);
 	}));
diff --git a/core/modules/startup/windows.js b/core/modules/startup/windows.js
index fb5a0a790..9f0e9d6d5 100644
--- a/core/modules/startup/windows.js
+++ b/core/modules/startup/windows.js
@@ -125,8 +125,8 @@ exports.startup = function() {
 			widgetNode.refresh(mainDeferredChanges);
 			mainDeferredChanges = Object.create(null);
 		};
-		var mainThrottledRefresh = $tw.perf.report("throttledRefresh",mainRefresh),
-			styleThrottledRefresh = $tw.perf.report("throttledRefresh",styleRefresh);
+		var mainThrottledRefresh = $tw.perf.report("throttledMainRefresh",mainRefresh),
+			styleThrottledRefresh = $tw.perf.report("throttledStyleRefresh",styleRefresh);
 		styleRefreshHandler = function(changes) {
 			throttledRefreshFn(changes,styleDeferredChanges,styleTimerId,styleThrottledRefresh,styleRefresh,false,true);
 		};