diff --git a/webapp/packages/main/src/config.ts b/webapp/packages/main/src/config.ts
index b295c5eae..b308d778e 100644
--- a/webapp/packages/main/src/config.ts
+++ b/webapp/packages/main/src/config.ts
@@ -9,9 +9,12 @@ const file = fs.readFileSync(path.join(alasPath, './config/deploy.yaml'), 'utf8'
 const config = yaml.parse(file);
 const PythonExecutable = config.Deploy.Python.PythonExecutable;
 const WebuiPort = config.Deploy.Webui.WebuiPort.toString();
+const WebuiSSLKey = config.Deploy.Webui.WebuiSSLKey;
+const WebuiSSLCert = config.Deploy.Webui.WebuiSSLCert;
+const sslEnabled = WebuiSSLKey && WebuiSSLCert;
 
 export const pythonPath = (path.isAbsolute(PythonExecutable) ? PythonExecutable : path.join(alasPath, PythonExecutable));
-export const webuiUrl = `http://127.0.0.1:${WebuiPort}`;
+export const webuiUrl = `${sslEnabled ? 'https' : 'http'}://127.0.0.1:${WebuiPort}`;
 export const webuiPath = 'gui.py';
 export const webuiArgs = ['--port', WebuiPort, '--electron'];
 export const dpiScaling = Boolean(config.Deploy.Webui.DpiScaling) || (config.Deploy.Webui.DpiScaling === undefined) ;
diff --git a/webapp/packages/main/src/index.ts b/webapp/packages/main/src/index.ts
index e034861a5..abda17aa7 100644
--- a/webapp/packages/main/src/index.ts
+++ b/webapp/packages/main/src/index.ts
@@ -5,6 +5,17 @@ import {webuiArgs, webuiPath, dpiScaling} from '/@/config';
 
 const path = require('path');
 
+// Allow self-signed certificates for local HTTPS connections
+app.on('certificate-error', (event, _webContents, url, _error, _certificate, callback) => {
+  // Only allow for local connections
+  if (url.startsWith('https://127.0.0.1') || url.startsWith('https://localhost')) {
+    event.preventDefault();
+    callback(true);
+  } else {
+    callback(false);
+  }
+});
+
 const isSingleInstance = app.requestSingleInstanceLock();
 
 if (!isSingleInstance) {
@@ -52,6 +63,16 @@ const createWindow = async () => {
     },
   });
 
+  // Ignore certificate errors for local connections (domain mismatch)
+  mainWindow.webContents.session.setCertificateVerifyProc((request, callback) => {
+    const {hostname} = new URL(request.hostname.includes('://') ? request.hostname : `https://${request.hostname}`);
+    if (hostname === '127.0.0.1' || hostname === 'localhost') {
+      callback(0); // 0 = success, ignore certificate errors for local
+    } else {
+      callback(-3); // -3 = use default verification
+    }
+  });
+
   /**
    * If you install `show: true` then it can cause issues when trying to close the window.
    * Use `show: false` and listener events `ready-to-show` to fix these issues.