diff --git a/js/ui/main.js b/js/ui/main.js
index f9556f14d..061303cf3 100644
--- a/js/ui/main.js
+++ b/js/ui/main.js
@@ -211,13 +211,6 @@ function _initializeUI() {
 
     _startDate = new Date();
 
-    let perfModuleName = GLib.getenv("SHELL_PERF_MODULE");
-    if (perfModuleName) {
-        let perfOutput = GLib.getenv("SHELL_PERF_OUTPUT");
-        let module = eval('imports.perf.' + perfModuleName + ';');
-        Scripting.runPerfScript(module, perfOutput);
-    }
-
     ExtensionDownloader.init();
     ExtensionSystem.init();
 
@@ -239,6 +232,13 @@ function _initializeUI() {
             Shell.Global.log_structured('GNOME Shell started at ' + _startDate,
                                         ['MESSAGE_ID=' + GNOMESHELL_STARTED_MESSAGE_ID]);
         }
+
+        let perfModuleName = GLib.getenv("SHELL_PERF_MODULE");
+        if (perfModuleName) {
+            let perfOutput = GLib.getenv("SHELL_PERF_OUTPUT");
+            let module = eval('imports.perf.' + perfModuleName + ';');
+            Scripting.runPerfScript(module, perfOutput);
+        }
     });
 }