diff --git a/qt/aqt/webview.py b/qt/aqt/webview.py
index 0196df875..1e1da0ede 100644
--- a/qt/aqt/webview.py
+++ b/qt/aqt/webview.py
@@ -15,6 +15,8 @@ from aqt.qt import *
 from aqt.theme import theme_manager
 from aqt.utils import openLink
 
+serverbaseurl = re.compile(r"^.+:\/\/[^\/]+")
+
 # Page for debug messages
 ##########################################################################
 
@@ -74,7 +76,7 @@ class AnkiWebPage(QWebEnginePage):  # type: ignore
         if srcID.startswith("data"):
             srcID = ""
         else:
-            srcID = re.sub(r"(?mi).+://[^/]+", "", srcID[:80])
+            srcID = serverbaseurl.sub("", srcID[:80], 1)
         if level == QWebEnginePage.InfoMessageLevel:
             level = "info"
         elif level == QWebEnginePage.WarningMessageLevel:
diff --git a/qt/ts/src/reviewer.ts b/qt/ts/src/reviewer.ts
index bf27039c9..4a854228d 100644
--- a/qt/ts/src/reviewer.ts
+++ b/qt/ts/src/reviewer.ts
@@ -42,7 +42,9 @@ function _updateQA(html, fadeTime, onupdate, onshown) {
             qa.html(
                 "Invalid HTML on card: " +
                     err +
-                    ("\n" + err.stack).replace(/\n/g, "<br />")
+                    ("\n" + err.stack)
+                        .substring(0, 2000)
+                        .replace(/\n/g, "<br />")
             );
         }
         _runHook(onUpdateHook);