diff --git a/src/widgets/komga/proxy.js b/src/widgets/komga/proxy.js
index c5a0caa97..5c3104ee8 100644
--- a/src/widgets/komga/proxy.js
+++ b/src/widgets/komga/proxy.js
@@ -21,10 +21,14 @@ export default async function komgaProxyHandler(req, res) {
       try {
         const data = {};
         const headers = {
-          Authorization: `Basic ${Buffer.from(`${widget.username}:${widget.password}`).toString("base64")}`,
           Accept: "application/json",
           "Content-Type": "application/json",
         };
+        if (widget.username && widget.password) {
+          headers.Authorization = `Basic ${Buffer.from(`${widget.username}:${widget.password}`).toString("base64")}`;
+        } else if (widget.key) {
+          headers["X-Api-Key"] = widget.key;
+        }
         const librariesURL = formatApiCall(widgets?.[widget.type].api, { ...widget, endpoint: "libraries" });
         const [librariesStatus, , librariesData] = await httpProxy(librariesURL, {
           method: "GET",