diff --git a/virtweb_frontend/src/api/VMApi.ts b/virtweb_frontend/src/api/VMApi.ts
index edd78aa..382d916 100644
--- a/virtweb_frontend/src/api/VMApi.ts
+++ b/virtweb_frontend/src/api/VMApi.ts
@@ -338,7 +338,7 @@ export class VMApi {
     let baseWSURL = APIClient.backendURL();
     if (!baseWSURL.includes("://"))
       baseWSURL =
-        window.location.protocol + "://" + window.location.hostname + baseWSURL;
+        window.location.protocol + "//" + window.location.host + baseWSURL;
 
     return (
       baseWSURL.replace("http", "ws") +
diff --git a/virtweb_frontend/src/routes/VNCRoute.tsx b/virtweb_frontend/src/routes/VNCRoute.tsx
index 64e8da2..a000951 100644
--- a/virtweb_frontend/src/routes/VNCRoute.tsx
+++ b/virtweb_frontend/src/routes/VNCRoute.tsx
@@ -57,6 +57,7 @@ function VNCInner(p: { vm: VMInfo }): React.ReactElement {
       setToken(undefined);
 
       const u = await VMApi.OneShotVNCURL(p.vm);
+      console.info("VNC URL", u);
 
       if (!token)
         setToken({