diff --git a/src/input.ts b/src/input.ts
index 411dcfc2..2abbc140 100644
--- a/src/input.ts
+++ b/src/input.ts
@@ -58,8 +58,15 @@ export function getInputs(): Inputs {
     const proxyPort = asNumber(core.getInput('proxyPort', { required: false, trimWhitespace: true }))
 
     if(proxyHost && proxyPort) {
-        process.env['http_proxy'] = `http://${proxyHost}:${proxyPort}`
-        process.env['https_proxy'] = `http://${proxyHost}:${proxyPort}`
+        delete process.env['http_proxy']
+        delete process.env['https_proxy']
+        delete process.env['HTTP_PROXY']
+        delete process.env['HTTPS_PROXY']
+        const proxy = `http://${proxyHost}:${proxyPort}`
+        process.env['http_proxy'] = proxy
+        process.env['https_proxy'] = proxy
+        process.env['HTTP_PROXY'] = proxy
+        process.env['HTTPS_PROXY'] = proxy
     }
 
     const inputs: Inputs =  {
diff --git a/src/main.ts b/src/main.ts
index 20b66093..d45d5a55 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -27,6 +27,8 @@ async function run() {
 function wrapWebhook(webhook: string, payload: Object): Promise<void> {
     return async function() {
         try {
+            logInfo(process.env['http_proxy'] || process.env['HTTP_PROXY'] || 'no http proxy setted')
+            logInfo(process.env['https_proxy'] || process.env['HTTPS_PROXY'] || 'no https proxy setted')
             await axios.post(webhook, payload)
         } catch(e: any) {
             if (e.response) {