diff --git a/mailnews/base/content/junkLog.js b/mailnews/base/content/junkLog.js
index 07f3b47496..28afda6f5b 100644
--- a/mailnews/base/content/junkLog.js
+++ b/mailnews/base/content/junkLog.js
@@ -13,7 +13,7 @@ var gLogFile;
 
 function onLoad() {
   gLogView = document.getElementById("logView");
-  gLogView.docShell.allowJavascript = false; // for security, disable JS
+  gLogView.browsingContext.allowJavascript = false; // for security, disable JS
 
   gLogView.addEventListener("load", () => {
     addStyling();
diff --git a/mailnews/base/src/nsMsgContentPolicy.cpp b/mailnews/base/src/nsMsgContentPolicy.cpp
index e9e84bffba..0a3d37c208 100644
--- a/mailnews/base/src/nsMsgContentPolicy.cpp
+++ b/mailnews/base/src/nsMsgContentPolicy.cpp
@@ -841,7 +841,7 @@ nsresult nsMsgContentPolicy::SetDisableItemsOnMailNewsUrlDocshells(
 
   if (!isAllowedContent) {
     // Disable JavaScript on message URLs.
-    rv = docShell->SetAllowJavascript(false);
+    rv = browsingContext->SetAllowJavascript(false);
     NS_ENSURE_SUCCESS(rv, rv);
     rv = browsingContext->SetAllowContentRetargetingOnChildren(false);
     NS_ENSURE_SUCCESS(rv, rv);
@@ -871,7 +871,7 @@ nsresult nsMsgContentPolicy::SetDisableItemsOnMailNewsUrlDocshells(
     NS_ENSURE_SUCCESS(rv, rv);
   } else {
     // JavaScript is allowed on non-message URLs.
-    rv = docShell->SetAllowJavascript(true);
+    rv = browsingContext->SetAllowJavascript(true);
     NS_ENSURE_SUCCESS(rv, rv);
     rv = browsingContext->SetAllowContentRetargetingOnChildren(true);
     NS_ENSURE_SUCCESS(rv, rv);
diff --git a/mailnews/search/content/viewLog.js b/mailnews/search/content/viewLog.js
index 291639b78d..3d9ccad5e4 100644
--- a/mailnews/search/content/viewLog.js
+++ b/mailnews/search/content/viewLog.js
@@ -19,7 +19,7 @@ function onLoad() {
   gLogView = document.getElementById("logView");
 
   // for security, disable JS
-  gLogView.docShell.allowJavascript = false;
+  gLogView.browsingContext.allowJavascript = false;
 
   MailE10SUtils.loadURI(gLogView, gFilterList.logURL);
 }