diff --git a/packages/electron-builder-http/src/httpExecutor.ts b/packages/electron-builder-http/src/httpExecutor.ts
index bef00cdc96e..ff9a51e14df 100644
--- a/packages/electron-builder-http/src/httpExecutor.ts
+++ b/packages/electron-builder-http/src/httpExecutor.ts
@@ -297,6 +297,10 @@ export function configureRequestOptions(options: RequestOptions, token?: string
   if ((method == null || method === "GET") || headers["Cache-Control"] == null) {
     headers["Cache-Control"] = "no-cache"
   }
+
+  if (options.protocol == null) {
+    options.protocol = "https:"
+  }
   return options
 }