diff --git a/vite.config.ts b/vite.config.ts
index b049e93..db04793 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -88,13 +88,15 @@ export default defineConfig(({ mode }) => {
       version(),
     ],
     server: {
-      https: {
-        // This config controls https for the *dev server*.
-        // See docs/dev-https.md for setting up https
-        key: serverHttpCertKey,
-        cert: serverHttpCertCrt,
-        passphrase: serverHttpCertPassword,
-      },
+      https: serverHttpCertBase
+        ? {
+            // This config controls https for the *dev server*.
+            // See docs/dev-https.md for setting up https
+            key: serverHttpCertKey,
+            cert: serverHttpCertCrt,
+            passphrase: serverHttpCertPassword,
+          }
+        : undefined,
     },
     define: {
       "import.meta.env.BUILT_AT": `"${new Date().toISOString()}"`,