diff --git a/lib/main.js b/lib/main.js
index b04b8f5b..ecc0da77 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -61,8 +61,8 @@ function wrapWebhook(webhook, payload, proxyHost, proxyPort) {
     return function () {
         return __awaiter(this, void 0, void 0, function* () {
             try {
-                const config = proxyHost && proxyPort ? { proxy: { host: proxyHost, port: proxyPort } } : {};
-                yield axios_1.default.post(webhook, payload, config);
+                const proxy = proxyHost && proxyPort ? { proxy: { host: proxyHost, port: proxyPort, protocol: 'http' } } : {};
+                yield axios_1.default.post(webhook, payload, proxy);
             }
             catch (e) {
                 if (e.response) {