diff --git a/lib/mainFn/LocalBinding.ts b/lib/mainFn/LocalBinding.ts
index cdb0df5..50c0cd3 100644
--- a/lib/mainFn/LocalBinding.ts
+++ b/lib/mainFn/LocalBinding.ts
@@ -20,7 +20,7 @@ export const ipv6 = once(
 export const local = once(() => /\.local/)
 export class LocalBinding {
   constructor(readonly localHost: string, readonly ipHosts: string[]) {}
-  createOrigins(protocol: string) {
+  createOrigins(protocol: string | null) {
     const ipHosts = this.ipHosts
     return {
       local: new Origin(protocol, this.localHost),
diff --git a/lib/mainFn/Origin.ts b/lib/mainFn/Origin.ts
index fbe3295..9e28d76 100644
--- a/lib/mainFn/Origin.ts
+++ b/lib/mainFn/Origin.ts
@@ -1,5 +1,5 @@
 export class Origin {
-  constructor(readonly protocol: string, readonly host: string) {}
+  constructor(readonly protocol: string | null, readonly host: string) {}
 
   withAuth(
     origin?:
@@ -13,6 +13,7 @@ export class Origin {
     // prettier-ignore
     const urlAuth = !!(origin) ? `${origin.username}${origin.password != null ?`:${origin.password}`:''}@` :
             '';
-    return `${this.protocol}://${urlAuth}${this.host}`
+    const protocolSection = this.protocol != null ? `${this.protocol}://` : ""
+    return `${protocolSection}${urlAuth}${this.host}`
   }
 }
diff --git a/lib/mainFn/TorBinding.ts b/lib/mainFn/TorBinding.ts
index 54b2ac1..2821028 100644
--- a/lib/mainFn/TorBinding.ts
+++ b/lib/mainFn/TorBinding.ts
@@ -2,7 +2,7 @@ import { Origin } from "./Origin"
 
 export class TorBinding {
   constructor(readonly host: string) {}
-  createOrigin(protocol: string) {
+  createOrigin(protocol: string | null) {
     return new Origin(protocol, this.host)
   }
 }