diff --git a/html/popup.html b/html/popup.html
index 543f3dd..888f628 100644
--- a/html/popup.html
+++ b/html/popup.html
@@ -38,6 +38,7 @@ <h4>Some handy shortcuts in Lightning view:</h4>
         <button data-src="sandboxes">Sandboxes</button>
         <button data-src="debugLogs">Debug Logs</button>
         <button data-src="deployments">Deployments</button>
+        <button data-src="customSettings">Custom Settings</button>
         <button data-src="customMetadata">Custom Metadata</button>
         <button data-src="classic">Switch to Classic</button>
       </div>
diff --git a/popup.js b/popup.js
index 54b8a43..5a5c144 100644
--- a/popup.js
+++ b/popup.js
@@ -4,6 +4,7 @@ const urlMapping = {
     "sandboxes": "/lightning/setup/DataManagementCreateTestInstance/home",
     "debugLogs": "/lightning/setup/ApexDebugLogs/home",
     "deployments": "/lightning/setup/DeployStatus/home",
+    "customSettings": "/lightning/setup/CustomSettings/home",
     "customMetadata": "/lightning/setup/CustomMetadata/home",
     "devConsole": "/_ui/common/apex/debug/ApexCSIPage",
     "classic": "/ltng/switcher?destination=classic",